12772966928 has 20 divisors (see below), whose sum is σ = 25214561388. Its totient is φ = 6265983360.

The previous prime is 12772966909. The next prime is 12772966931. The reversal of 12772966928 is 82966927721.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8008102144 + 4764864784 = 89488^2 + 69028^2 .

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, 7530383 + ... + 7532078.

Almost surely, 2^12772966928 is an apocalyptic number.

It is an amenable number.

12772966928 is a deficient number, since it is larger than the sum of its proper divisors (12441594460).

12772966928 is a wasteful number, since it uses less digits than its factorization.

12772966928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15062522 (or 15062516 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 59.

The spelling of 12772966928 in words is "twelve billion, seven hundred seventy-two million, nine hundred sixty-six thousand, nine hundred twenty-eight".