12639175376 has 40 divisors (see below), whose sum is σ = 24598947144. Its totient is φ = 6291118080.

The previous prime is 12639175361. The next prime is 12639175399. The reversal of 12639175376 is 67357193621.

It can be written as a sum of positive squares in 4 ways, for example, as 19600 + 12639155776 = 140^2 + 112424^2 .

It is a congruent number.

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, 5913380 + ... + 5915516.

Almost surely, 2^12639175376 is an apocalyptic number.

12639175376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12639175376 is a deficient number, since it is larger than the sum of its proper divisors (11959771768).

12639175376 is a wasteful number, since it uses less digits than its factorization.

12639175376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639 (or 3633 counting only the distinct ones).

The product of its digits is 1428840, while the sum is 50.

The spelling of 12639175376 in words is "twelve billion, six hundred thirty-nine million, one hundred seventy-five thousand, three hundred seventy-six".