13998475 has 6 divisors (see below), whose sum is σ = 17358140. Its totient is φ = 11198760.

The previous prime is 13998461. The next prime is 13998493. The reversal of 13998475 is 57489931.

It is a happy number.

It is not a de Polignac number, because 13998475 - 2⁵ = 13998443 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 279945 + ... + 279994.

Almost surely, 2^13998475 is an apocalyptic number.

13998475 is a deficient number, since it is larger than the sum of its proper divisors (3359665).

13998475 is an equidigital number, since it uses as much as digits as its factorization.

13998475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559949 (or 559944 counting only the distinct ones).

The product of its digits is 272160, while the sum is 46.

The square root of 13998475 is about 3741.4535945271. The cubic root of 13998475 is about 241.0054749880.

The spelling of 13998475 in words is "thirteen million, nine hundred ninety-eight thousand, four hundred seventy-five".