13072525 has 12 divisors (see below), whose sum is σ = 16417600. Its totient is φ = 10324080.

The previous prime is 13072519. The next prime is 13072529. The reversal of 13072525 is 52527031.

It is not a de Polignac number, because 13072525 - 2³ = 13072517 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 13072525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072529) 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, 1335 + ... + 5284.

Almost surely, 2^13072525 is an apocalyptic number.

It is an amenable number.

13072525 is a deficient number, since it is larger than the sum of its proper divisors (3345075).

13072525 is an equidigital number, since it uses as much as digits as its factorization.

13072525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6708 (or 6703 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 13072525 is about 3615.5946952058. The cubic root of 13072525 is about 235.5699159675.

Adding to 13072525 its reverse (52527031), we get a palindrome (65599556).

The spelling of 13072525 in words is "thirteen million, seventy-two thousand, five hundred twenty-five".