13017975 has 12 divisors (see below), whose sum is σ = 21523176. Its totient is φ = 6942880.

The previous prime is 13017967. The next prime is 13018001. The reversal of 13017975 is 57971031.

13017975 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13017975 - 2³ = 13017967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86712 + ... + 86861.

It is an arithmetic number, because the mean of its divisors is an integer number (1793598).

Almost surely, 2^13017975 is an apocalyptic number.

13017975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13017975 is a deficient number, since it is larger than the sum of its proper divisors (8505201).

13017975 is a wasteful number, since it uses less digits than its factorization.

13017975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173586 (or 173581 counting only the distinct ones).

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 13017975 is about 3608.0430984122. The cubic root of 13017975 is about 235.2417912747.

The spelling of 13017975 in words is "thirteen million, seventeen thousand, nine hundred seventy-five".