13613875 has 16 divisors (see below), whose sum is σ = 18536544. Its totient is φ = 9900000.

The previous prime is 13613869. The next prime is 13613893. The reversal of 13613875 is 57831631.

It is not a de Polignac number, because 13613875 - 2¹¹ = 13611827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13613875.

It is a congruent number.

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, 3576 + ... + 6325.

It is an arithmetic number, because the mean of its divisors is an integer number (1158534).

Almost surely, 2^13613875 is an apocalyptic number.

13613875 is a deficient number, since it is larger than the sum of its proper divisors (4922669).

13613875 is an equidigital number, since it uses as much as digits as its factorization.

13613875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9927 (or 9917 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 13613875 is about 3689.6984971675. The cubic root of 13613875 is about 238.7777852041. Note that the first 4 decimals are identical.

The spelling of 13613875 in words is "thirteen million, six hundred thirteen thousand, eight hundred seventy-five".