13913125 has 20 divisors (see below), whose sum is σ = 17628732. Its totient is φ = 10976000.

The previous prime is 13913113. The next prime is 13913161. The reversal of 13913125 is 52131931.

It can be written as a sum of positive squares in 10 ways, for example, as 10751841 + 3161284 = 3279^2 + 1778^2 .

It is not a de Polignac number, because 13913125 - 2⁵ = 13913093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13913125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 70527 + ... + 70723.

Almost surely, 2^13913125 is an apocalyptic number.

It is an amenable number.

13913125 is a deficient number, since it is larger than the sum of its proper divisors (3715607).

13913125 is an equidigital number, since it uses as much as digits as its factorization.

13913125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330 (or 315 counting only the distinct ones).

The product of its digits is 810, while the sum is 25.

The square root of 13913125 is about 3730.0301607360. The cubic root of 13913125 is about 240.5146652191.

The spelling of 13913125 in words is "thirteen million, nine hundred thirteen thousand, one hundred twenty-five".