13039825 has 12 divisors (see below), whose sum is σ = 16231600. Its totient is φ = 10391760.

The previous prime is 13039823. The next prime is 13039841. The reversal of 13039825 is 52893031.

It is a happy number.

It is not a de Polignac number, because 13039825 - 2¹ = 13039823 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13039823) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6826 + ... + 8524.

Almost surely, 2^13039825 is an apocalyptic number.

It is an amenable number.

13039825 is a deficient number, since it is larger than the sum of its proper divisors (3191775).

13039825 is a wasteful number, since it uses less digits than its factorization.

13039825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016 (or 2011 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 13039825 is about 3611.0697860883. The cubic root of 13039825 is about 235.3733314479.

The spelling of 13039825 in words is "thirteen million, thirty-nine thousand, eight hundred twenty-five".