13379725 has 24 divisors (see below), whose sum is σ = 17320320. Its totient is φ = 10245120.

The previous prime is 13379711. The next prime is 13379749. The reversal of 13379725 is 52797331.

It is not a de Polignac number, because 13379725 - 2⁹ = 13379213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69229 + ... + 69421.

It is an arithmetic number, because the mean of its divisors is an integer number (721680).

Almost surely, 2^13379725 is an apocalyptic number.

It is an amenable number.

13379725 is a deficient number, since it is larger than the sum of its proper divisors (3940595).

13379725 is a wasteful number, since it uses less digits than its factorization.

13379725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309 (or 304 counting only the distinct ones).

The product of its digits is 39690, while the sum is 37.

The square root of 13379725 is about 3657.8306412408. The cubic root of 13379725 is about 237.4009189663.

The spelling of 13379725 in words is "thirteen million, three hundred seventy-nine thousand, seven hundred twenty-five".