13813875 has 32 divisors (see below), whose sum is σ = 25546560. Its totient is φ = 7365600.

The previous prime is 13813873. The next prime is 13813883. The reversal of 13813875 is 57831831.

13813875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13813875 - 2¹ = 13813873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13813873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1329 + ... + 5421.

It is an arithmetic number, because the mean of its divisors is an integer number (798330).

Almost surely, 2^13813875 is an apocalyptic number.

13813875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13813875 is a deficient number, since it is larger than the sum of its proper divisors (11732685).

13813875 is an equidigital number, since it uses as much as digits as its factorization.

13813875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4117 (or 4101 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 13813875 is about 3716.7021672445. The cubic root of 13813875 is about 239.9413919391.

The spelling of 13813875 in words is "thirteen million, eight hundred thirteen thousand, eight hundred seventy-five".