12537488 has 20 divisors (see below), whose sum is σ = 24393900. Its totient is φ = 6242304.

The previous prime is 12537479. The next prime is 12537493. The reversal of 12537488 is 88473521.

It can be written as a sum of positive squares in 2 ways, for example, as 7573504 + 4963984 = 2752^2 + 2228^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2588 + ... + 5636.

It is an arithmetic number, because the mean of its divisors is an integer number (1219695).

Almost surely, 2^12537488 is an apocalyptic number.

It is an amenable number.

12537488 is a deficient number, since it is larger than the sum of its proper divisors (11856412).

12537488 is a wasteful number, since it uses less digits than its factorization.

12537488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3314 (or 3308 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 12537488 is about 3540.8315407542. The cubic root of 12537488 is about 232.3112153116.

The spelling of 12537488 in words is "twelve million, five hundred thirty-seven thousand, four hundred eighty-eight".