12508573 has 24 divisors (see below), whose sum is σ = 16580160. Its totient is φ = 9313920.

The previous prime is 12508537. The next prime is 12508579. The reversal of 12508573 is 37580521.

It is a de Polignac number, because none of the positive numbers 2^k-12508573 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12508579) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11893 + ... + 12901.

It is an arithmetic number, because the mean of its divisors is an integer number (690840).

Almost surely, 2^12508573 is an apocalyptic number.

It is an amenable number.

12508573 is a deficient number, since it is larger than the sum of its proper divisors (4071587).

12508573 is a wasteful number, since it uses less digits than its factorization.

12508573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 12508573 is about 3536.7461034120. The cubic root of 12508573 is about 232.1324860106.

The spelling of 12508573 in words is "twelve million, five hundred eight thousand, five hundred seventy-three".