12537325 has 6 divisors (see below), whose sum is σ = 15546314. Its totient is φ = 10029840.

The previous prime is 12537311. The next prime is 12537331. The reversal of 12537325 is 52373521.

It can be written as a sum of positive squares in 3 ways, for example, as 19881 + 12517444 = 141^2 + 3538^2 .

It is not a de Polignac number, because 12537325 - 2⁷ = 12537197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12537293 and 12537302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250722 + ... + 250771.

Almost surely, 2^12537325 is an apocalyptic number.

It is an amenable number.

12537325 is a deficient number, since it is larger than the sum of its proper divisors (3008989).

12537325 is an equidigital number, since it uses as much as digits as its factorization.

12537325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501503 (or 501498 counting only the distinct ones).

The product of its digits is 6300, while the sum is 28.

The square root of 12537325 is about 3540.8085234873. The cubic root of 12537325 is about 232.3102085472.

The spelling of 12537325 in words is "twelve million, five hundred thirty-seven thousand, three hundred twenty-five".