12756772 has 12 divisors (see below), whose sum is σ = 25513600. Its totient is φ = 5467176.

The previous prime is 12756763. The next prime is 12756797. The reversal of 12756772 is 27765721.

12756772 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227772 + ... + 227827.

Almost surely, 2^12756772 is an apocalyptic number.

It is an amenable number.

12756772 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12756772 is a wasteful number, since it uses less digits than its factorization.

12756772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455610 (or 455608 counting only the distinct ones).

The product of its digits is 41160, while the sum is 37.

The square root of 12756772 is about 3571.6623580624. The cubic root of 12756772 is about 233.6577898947.

The spelling of 12756772 in words is "twelve million, seven hundred fifty-six thousand, seven hundred seventy-two".