13799187 has 32 divisors (see below), whose sum is σ = 22131200. Its totient is φ = 8468064.

The previous prime is 13799171. The next prime is 13799197. The reversal of 13799187 is 78199731.

13799187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13799187 - 2⁴ = 13799171 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13799197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18618 + ... + 19344.

It is an arithmetic number, because the mean of its divisors is an integer number (691600).

Almost surely, 2^13799187 is an apocalyptic number.

13799187 is a deficient number, since it is larger than the sum of its proper divisors (8332013).

13799187 is a wasteful number, since it uses less digits than its factorization.

13799187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792 (or 786 counting only the distinct ones).

The product of its digits is 95256, while the sum is 45.

The square root of 13799187 is about 3714.7256964680. The cubic root of 13799187 is about 239.8563202510.

The spelling of 13799187 in words is "thirteen million, seven hundred ninety-nine thousand, one hundred eighty-seven".