13988604872 has 64 divisors (see below), whose sum is σ = 28799193600. Its totient is φ = 6317248000.

The previous prime is 13988604841. The next prime is 13988604881. The reversal of 13988604872 is 27840688931.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11844122 + ... + 11845302.

It is an arithmetic number, because the mean of its divisors is an integer number (449987400).

Almost surely, 2^13988604872 is an apocalyptic number.

It is an amenable number.

13988604872 is an abundant number, since it is smaller than the sum of its proper divisors (14810588728).

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

13988604872 is a wasteful number, since it uses less digits than its factorization.

13988604872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1954 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 13988604872 in words is "thirteen billion, nine hundred eighty-eight million, six hundred four thousand, eight hundred seventy-two".