12974600666 has 8 divisors (see below), whose sum is σ = 19497876564. Its totient is φ = 6475308480.

The previous prime is 12974600659. The next prime is 12974600677. The reversal of 12974600666 is 66600647921.

12974600666 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12722712025 + 251888641 = 112795^2 + 15871^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12974600666.

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, 5994575 + ... + 5996738.

Almost surely, 2^12974600666 is an apocalyptic number.

12974600666 is a deficient number, since it is larger than the sum of its proper divisors (6523275898).

12974600666 is a wasteful number, since it uses less digits than its factorization.

12974600666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991856.

The product of its (nonzero) digits is 653184, while the sum is 47.

The spelling of 12974600666 in words is "twelve billion, nine hundred seventy-four million, six hundred thousand, six hundred sixty-six".