13312525 has 6 divisors (see below), whose sum is σ = 16507562. Its totient is φ = 10650000.

The previous prime is 13312517. The next prime is 13312529. The reversal of 13312525 is 52521331.

It can be written as a sum of positive squares in 3 ways, for example, as 142884 + 13169641 = 378^2 + 3629^2 .

It is not a de Polignac number, because 13312525 - 2³ = 13312517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13312496 and 13312505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 266226 + ... + 266275.

Almost surely, 2^13312525 is an apocalyptic number.

It is an amenable number.

13312525 is a deficient number, since it is larger than the sum of its proper divisors (3195037).

13312525 is an equidigital number, since it uses as much as digits as its factorization.

13312525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532511 (or 532506 counting only the distinct ones).

The product of its digits is 900, while the sum is 22.

The square root of 13312525 is about 3648.6333057735. The cubic root of 13312525 is about 237.0028010375.

Adding to 13312525 its reverse (52521331), we get a palindrome (65833856).

The spelling of 13312525 in words is "thirteen million, three hundred twelve thousand, five hundred twenty-five".