12522544 has 10 divisors (see below), whose sum is σ = 24262460. Its totient is φ = 6261264.

The previous prime is 12522541. The next prime is 12522553. The reversal of 12522544 is 44522521.

It is not an unprimeable number, because it can be changed into a prime (12522541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391314 + ... + 391345.

It is an arithmetic number, because the mean of its divisors is an integer number (2426246).

Almost surely, 2^12522544 is an apocalyptic number.

It is an amenable number.

12522544 is a deficient number, since it is larger than the sum of its proper divisors (11739916).

12522544 is an equidigital number, since it uses as much as digits as its factorization.

12522544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782667 (or 782661 counting only the distinct ones).

The product of its digits is 3200, while the sum is 25.

The square root of 12522544 is about 3538.7206727856. The cubic root of 12522544 is about 232.2188778604.

The spelling of 12522544 in words is "twelve million, five hundred twenty-two thousand, five hundred forty-four".