SharePoint 2013 Build Numbers

This will come very handy while installing and troubleshooting 2013

Build Number	Build Name	Component	Information Link	Download Link	Notes
15.0.4128.1014	Beta	SharePoint Foundation 2013		Download	Bugs, Notes, & Regressions
15.0.4128.1014	Beta	SharePoint Server 2013		Download
15.0.4128.1014	Beta	Project Server 2013		Download
​	​	​	​	​	​
​15.0.4420.1017	​RTM	​​SharePoint Foundation 2013	​	​Download	​ Bugs, Notes, & Regressions
​​15.0.4420.1017	​RTM	​SharePoint Server 2013	​	​Download	​
​​15.0.4420.1017	​RTM	​Project Server 2013	​	​Download	​
​	​	​	​	​	​
​15.0.4433.1506	​December 2012 Hotfix	​SharePoint Server 2013	​KB2752058	​Download	​ Bugs, Notes, & Regressions
​15.0.4433.1506	​December 2012 Hotfix	​SharePoint Server 2013 (coreserver)	​KB2752001	​Download	​

Courtesy -
http://www.toddklindt.com/blog/Lists/Posts/Post.aspx?ID=346