What camera resolutions does Google Nexus 6 64GB feature?

Here are details about the Google Nexus 6 64GB's camera sensors:
Rear Camera : 13 megapixel
Front Camera : 2 megapixel
Flash : Dual LED
Camera Options :
+ Face detection
+ Geo tagging
+ High Dynamic Range mode (HDR)
+ Optical image stabilization
+ Smile detection
+ Touch to focus