12889692862 has 16 divisors (see below), whose sum is σ = 19493540352. Its totient is φ = 6391903960.

The previous prime is 12889692841. The next prime is 12889692869. The reversal of 12889692862 is 26829698821.

It is a super-3 number, since 3×12889692862³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 12889692862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12889692869) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464133 + ... + 491119.

It is an arithmetic number, because the mean of its divisors is an integer number (1218346272).

Almost surely, 2^12889692862 is an apocalyptic number.

12889692862 is a deficient number, since it is larger than the sum of its proper divisors (6603847490).

12889692862 is a wasteful number, since it uses less digits than its factorization.

12889692862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28943.

The product of its digits is 11943936, while the sum is 61.

The spelling of 12889692862 in words is "twelve billion, eight hundred eighty-nine million, six hundred ninety-two thousand, eight hundred sixty-two".