13388425 has 12 divisors (see below), whose sum is σ = 16775836. Its totient is φ = 10598400.

The previous prime is 13388411. The next prime is 13388429. The reversal of 13388425 is 52488331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1026169 + 12362256 = 1013^2 + 3516^2 .

It is not a de Polignac number, because 13388425 - 2⁵ = 13388393 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13388429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 336 + ... + 5185.

Almost surely, 2^13388425 is an apocalyptic number.

It is an amenable number.

13388425 is a deficient number, since it is larger than the sum of its proper divisors (3387411).

13388425 is an equidigital number, since it uses as much as digits as its factorization.

13388425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628 (or 5623 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 13388425 is about 3659.0196774546. The cubic root of 13388425 is about 237.4523634838.

The spelling of 13388425 in words is "thirteen million, three hundred eighty-eight thousand, four hundred twenty-five".