12976474624 has 40 divisors (see below), whose sum is σ = 25948922868. Its totient is φ = 6482903040.

The previous prime is 12976474619. The next prime is 12976474639. The reversal of 12976474624 is 42647467921.

It can be written as a sum of positive squares in 2 ways, for example, as 12283732224 + 692742400 = 110832^2 + 26320^2 .

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, 654294 + ... + 673834.

Almost surely, 2^12976474624 is an apocalyptic number.

It is an amenable number.

12976474624 is a deficient number, since it is larger than the sum of its proper divisors (12972448244).

12976474624 is an equidigital number, since it uses as much as digits as its factorization.

12976474624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20856 (or 20840 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 52.

The spelling of 12976474624 in words is "twelve billion, nine hundred seventy-six million, four hundred seventy-four thousand, six hundred twenty-four".