13918475 has 24 divisors (see below), whose sum is σ = 18207168. Its totient is φ = 10540800.

The previous prime is 13918451. The next prime is 13918477. The reversal of 13918475 is 57481931.

It is not a de Polignac number, because 13918475 - 2²² = 9724171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13918477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37742 + ... + 38108.

It is an arithmetic number, because the mean of its divisors is an integer number (758632).

Almost surely, 2^13918475 is an apocalyptic number.

13918475 is a deficient number, since it is larger than the sum of its proper divisors (4288693).

13918475 is a wasteful number, since it uses less digits than its factorization.

13918475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 450 counting only the distinct ones).

The product of its digits is 30240, while the sum is 38.

The square root of 13918475 is about 3730.7472441858. The cubic root of 13918475 is about 240.5454895562.

The spelling of 13918475 in words is "thirteen million, nine hundred eighteen thousand, four hundred seventy-five".