12772456 has 16 divisors (see below), whose sum is σ = 24034500. Its totient is φ = 6363264.

The previous prime is 12772453. The next prime is 12772481. The reversal of 12772456 is 65427721.

It can be written as a sum of positive squares in 2 ways, for example, as 12744900 + 27556 = 3570^2 + 166^2 .

It is not an unprimeable number, because it can be changed into a prime (12772451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 381 + ... + 5068.

Almost surely, 2^12772456 is an apocalyptic number.

It is an amenable number.

12772456 is a deficient number, since it is larger than the sum of its proper divisors (11262044).

12772456 is a wasteful number, since it uses less digits than its factorization.

12772456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748 (or 5744 counting only the distinct ones).

The product of its digits is 23520, while the sum is 34.

The square root of 12772456 is about 3573.8572998932. The cubic root of 12772456 is about 233.7535086741.

The spelling of 12772456 in words is "twelve million, seven hundred seventy-two thousand, four hundred fifty-six".