13681475 has 24 divisors (see below), whose sum is σ = 17811360. Its totient is φ = 10411520.

The previous prime is 13681469. The next prime is 13681483. The reversal of 13681475 is 57418631.

It is not a de Polignac number, because 13681475 - 2⁸ = 13681219 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81842 + ... + 82008.

It is an arithmetic number, because the mean of its divisors is an integer number (742140).

Almost surely, 2^13681475 is an apocalyptic number.

13681475 is a deficient number, since it is larger than the sum of its proper divisors (4129885).

13681475 is a wasteful number, since it uses less digits than its factorization.

13681475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 314 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 13681475 is about 3698.8477935703. The cubic root of 13681475 is about 239.1723516531.

The spelling of 13681475 in words is "thirteen million, six hundred eighty-one thousand, four hundred seventy-five".