12657206604 has 24 divisors (see below), whose sum is σ = 33752551168. Its totient is φ = 3616344720.

The previous prime is 12657206593. The next prime is 12657206647. The reversal of 12657206604 is 40660275621.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75340432 + ... + 75340599.

Almost surely, 2^12657206604 is an apocalyptic number.

12657206604 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12657206604 is an abundant number, since it is smaller than the sum of its proper divisors (21095344564).

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

12657206604 is a wasteful number, since it uses less digits than its factorization.

12657206604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150681045 (or 150681043 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 12657206604 in words is "twelve billion, six hundred fifty-seven million, two hundred six thousand, six hundred four".