12779212 has 6 divisors (see below), whose sum is σ = 22363628. Its totient is φ = 6389604.

The previous prime is 12779209. The next prime is 12779231. The reversal of 12779212 is 21297721.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1597398 + ... + 1597405.

Almost surely, 2^12779212 is an apocalyptic number.

It is an amenable number.

12779212 is a deficient number, since it is larger than the sum of its proper divisors (9584416).

12779212 is a wasteful number, since it uses less digits than its factorization.

12779212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3194807 (or 3194805 counting only the distinct ones).

The product of its digits is 3528, while the sum is 31.

The square root of 12779212 is about 3574.8023721599. The cubic root of 12779212 is about 233.7947161062.

The spelling of 12779212 in words is "twelve million, seven hundred seventy-nine thousand, two hundred twelve".