12764944 has 20 divisors (see below), whose sum is σ = 25200396. Its totient is φ = 6261632.

The previous prime is 12764923. The next prime is 12764951. The reversal of 12764944 is 44946721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10969344 + 1795600 = 3312^2 + 1340^2 .

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, 6679 + ... + 8374.

Almost surely, 2^12764944 is an apocalyptic number.

It is an amenable number.

12764944 is a deficient number, since it is larger than the sum of its proper divisors (12435452).

12764944 is a wasteful number, since it uses less digits than its factorization.

12764944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15114 (or 15108 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 12764944 is about 3572.8061800215. The cubic root of 12764944 is about 233.7076730437.

The spelling of 12764944 in words is "twelve million, seven hundred sixty-four thousand, nine hundred forty-four".