13013187 has 16 divisors (see below), whose sum is σ = 19090560. Its totient is φ = 7884360.

The previous prime is 13013179. The next prime is 13013197. The reversal of 13013187 is 78131031.

13013187 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 13013187 - 2³ = 13013179 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13013137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2364 + ... + 5622.

It is an arithmetic number, because the mean of its divisors is an integer number (1193160).

Almost surely, 2^13013187 is an apocalyptic number.

13013187 is a deficient number, since it is larger than the sum of its proper divisors (6077373).

13013187 is an equidigital number, since it uses as much as digits as its factorization.

13013187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3295 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13013187 is about 3607.3795198177. The cubic root of 13013187 is about 235.2129471620.

The spelling of 13013187 in words is "thirteen million, thirteen thousand, one hundred eighty-seven".