What camera resolutions does Sony Xperia M5 Dual feature?

Here are details about the Sony Xperia M5 Dual's camera sensors:
Rear Camera : 21.5 megapixel
Front Camera : 13 megapixel
Flash : LED
Camera Options :
+ AF Hybrid
+ Exmor-R CMOS image sensor
+ Exposure compensation
+ Face detection
+ Geo tagging
+ High Dynamic Range mode (HDR)
+ Self-timer
+ Smile detection
+ Touch to focus
+ White balance presets