13337725 has 6 divisors (see below), whose sum is σ = 16538810. Its totient is φ = 10670160.

The previous prime is 13337713. The next prime is 13337747. The reversal of 13337725 is 52773331.

It can be written as a sum of positive squares in 3 ways, for example, as 131769 + 13205956 = 363^2 + 3634^2 .

It is not a de Polignac number, because 13337725 - 2⁹ = 13337213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266730 + ... + 266779.

Almost surely, 2^13337725 is an apocalyptic number.

It is an amenable number.

13337725 is a deficient number, since it is larger than the sum of its proper divisors (3201085).

13337725 is an equidigital number, since it uses as much as digits as its factorization.

13337725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533519 (or 533514 counting only the distinct ones).

The product of its digits is 13230, while the sum is 31.

The square root of 13337725 is about 3652.0850209161. The cubic root of 13337725 is about 237.1522519244.

The spelling of 13337725 in words is "thirteen million, three hundred thirty-seven thousand, seven hundred twenty-five".