12397056964 has 6 divisors (see below), whose sum is σ = 21694849694. Its totient is φ = 6198528480.

The previous prime is 12397056913. The next prime is 12397057019. The reversal of 12397056964 is 46965079321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6592140864 + 5804916100 = 81192^2 + 76190^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1549632117 + ... + 1549632124.

Almost surely, 2^12397056964 is an apocalyptic number.

It is an amenable number.

12397056964 is a deficient number, since it is larger than the sum of its proper divisors (9297792730).

12397056964 is a wasteful number, since it uses less digits than its factorization.

12397056964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3099264245 (or 3099264243 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 12397056964 in words is "twelve billion, three hundred ninety-seven million, fifty-six thousand, nine hundred sixty-four".