12887694104 has 16 divisors (see below), whose sum is σ = 24312676920. Its totient is φ = 6404313600.

The previous prime is 12887694103. The next prime is 12887694137. The reversal of 12887694104 is 40149678821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12887694103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4940297 + ... + 4942904.

Almost surely, 2^12887694104 is an apocalyptic number.

It is an amenable number.

12887694104 is a deficient number, since it is larger than the sum of its proper divisors (11424982816).

12887694104 is a wasteful number, since it uses less digits than its factorization.

12887694104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9883370 (or 9883366 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 12887694104 in words is "twelve billion, eight hundred eighty-seven million, six hundred ninety-four thousand, one hundred four".