13929875 has 8 divisors (see below), whose sum is σ = 17384640. Its totient is φ = 11143800.

The previous prime is 13929863. The next prime is 13929887. The reversal of 13929875 is 57892931.

13929875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13929863) and next prime (13929887).

It is not a de Polignac number, because 13929875 - 2⁴ = 13929859 is a prime.

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, 55595 + ... + 55844.

It is an arithmetic number, because the mean of its divisors is an integer number (2173080).

Almost surely, 2^13929875 is an apocalyptic number.

13929875 is a deficient number, since it is larger than the sum of its proper divisors (3454765).

13929875 is an equidigital number, since it uses as much as digits as its factorization.

13929875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111454 (or 111444 counting only the distinct ones).

The product of its digits is 136080, while the sum is 44.

The square root of 13929875 is about 3732.2747755223. The cubic root of 13929875 is about 240.6111449829.

The spelling of 13929875 in words is "thirteen million, nine hundred twenty-nine thousand, eight hundred seventy-five".