13660375 has 16 divisors (see below), whose sum is σ = 17229888. Its totient is φ = 10812000.

The previous prime is 13660337. The next prime is 13660393. The reversal of 13660375 is 57306631.

13660375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-13660375 is a prime.

It is a Duffinian number.

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, 12345 + ... + 13405.

It is an arithmetic number, because the mean of its divisors is an integer number (1076868).

Almost surely, 2^13660375 is an apocalyptic number.

13660375 is a deficient number, since it is larger than the sum of its proper divisors (3569513).

13660375 is a wasteful number, since it uses less digits than its factorization.

13660375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1169 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 13660375 is about 3695.9944534590. The cubic root of 13660375 is about 239.0493353566.

The spelling of 13660375 in words is "thirteen million, six hundred sixty thousand, three hundred seventy-five".