12937996476 has 72 divisors (see below), whose sum is σ = 33070861824. Its totient is φ = 4264565760.

The previous prime is 12937996471. The next prime is 12937996481. The reversal of 12937996476 is 67469973921.

12937996476 is a `hidden beast` number, since 1 + 2 + 9 + 3 + 79 + 96 + 476 = 666.

It is an interprime number because it is at equal distance from previous prime (12937996471) and next prime (12937996481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937996471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1426516 + ... + 1435556.

Almost surely, 2^12937996476 is an apocalyptic number.

It is an amenable number.

12937996476 is an abundant number, since it is smaller than the sum of its proper divisors (20132865348).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12937996476 is a wasteful number, since it uses less digits than its factorization.

12937996476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9491 (or 9486 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The spelling of 12937996476 in words is "twelve billion, nine hundred thirty-seven million, nine hundred ninety-six thousand, four hundred seventy-six".