12531325 has 12 divisors (see below), whose sum is σ = 15588288. Its totient is φ = 9993200.

The previous prime is 12531313. The next prime is 12531331. The reversal of 12531325 is 52313521.

It is a de Polignac number, because none of the positive numbers 2^k-12531325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12531296 and 12531305.

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 11 ways as a sum of consecutive naturals, for example, 10194 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (1299024).

Almost surely, 2^12531325 is an apocalyptic number.

It is an amenable number.

12531325 is a deficient number, since it is larger than the sum of its proper divisors (3056963).

12531325 is a wasteful number, since it uses less digits than its factorization.

12531325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604 (or 1599 counting only the distinct ones).

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

The square root of 12531325 is about 3539.9611579790. The cubic root of 12531325 is about 232.2731436585.

Adding to 12531325 its reverse (52313521), we get a palindrome (64844846).

The spelling of 12531325 in words is "twelve million, five hundred thirty-one thousand, three hundred twenty-five".