13872756 has 24 divisors (see below), whose sum is σ = 32606560. Its totient is φ = 4590432.

The previous prime is 13872739. The next prime is 13872763. The reversal of 13872756 is 65727831.

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 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, 2491 + ... + 5826.

Almost surely, 2^13872756 is an apocalyptic number.

It is an amenable number.

13872756 is an abundant number, since it is smaller than the sum of its proper divisors (18733804).

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

13872756 is a wasteful number, since it uses less digits than its factorization.

13872756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463 (or 8461 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 13872756 is about 3724.6148794204. The cubic root of 13872756 is about 240.2818217171.

The spelling of 13872756 in words is "thirteen million, eight hundred seventy-two thousand, seven hundred fifty-six".