12670400859 has 16 divisors (see below), whose sum is σ = 17471723520. Its totient is φ = 8162556480.

The previous prime is 12670400791. The next prime is 12670400881. The reversal of 12670400859 is 95800407621.

It is not a de Polignac number, because 12670400859 - 2²⁴ = 12653623643 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12670400859.

It is not an unprimeable number, because it can be changed into a prime (12670400459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 557602 + ... + 579879.

It is an arithmetic number, because the mean of its divisors is an integer number (1091982720).

Almost surely, 2^12670400859 is an apocalyptic number.

12670400859 is a deficient number, since it is larger than the sum of its proper divisors (4801322661).

12670400859 is a wasteful number, since it uses less digits than its factorization.

12670400859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137610.

The product of its (nonzero) digits is 120960, while the sum is 42.

The spelling of 12670400859 in words is "twelve billion, six hundred seventy million, four hundred thousand, eight hundred fifty-nine".