12503492 has 6 divisors (see below), whose sum is σ = 21881118. Its totient is φ = 6251744.

The previous prime is 12503489. The next prime is 12503549. The reversal of 12503492 is 29430521.

It can be written as a sum of positive squares in only one way, i.e., 12503296 + 196 = 3536^2 + 14^2 .

It is an alternating number because its digits alternate between odd and even.

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 as a sum of consecutive naturals, namely, 1562933 + ... + 1562940.

It is an arithmetic number, because the mean of its divisors is an integer number (3646853).

Almost surely, 2^12503492 is an apocalyptic number.

It is an amenable number.

12503492 is a deficient number, since it is larger than the sum of its proper divisors (9377626).

12503492 is a wasteful number, since it uses less digits than its factorization.

12503492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3125877 (or 3125875 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 12503492 is about 3536.0277148235. The cubic root of 12503492 is about 232.1010509061.

The spelling of 12503492 in words is "twelve million, five hundred three thousand, four hundred ninety-two".