minimum is 19mp, no less, and you want a quality camera with decent lens or try something like...
Panasonic Lumix DMC-FZ1000 — Mirrorless Journey
there´s also the fz2000 if you don´t want to buy loads of lenses...
we edit out photos for our higher grade sets to 2000x3000 now and there´s still some sites that do larger
