12513504 has 24 divisors (see below), whose sum is σ = 32848200. Its totient is φ = 4171136.

The previous prime is 12513503. The next prime is 12513517. The reversal of 12513504 is 40531521.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513503) by changing a digit.

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, 65079 + ... + 65270.

It is an arithmetic number, because the mean of its divisors is an integer number (1368675).

Almost surely, 2^12513504 is an apocalyptic number.

It is an amenable number.

12513504 is an abundant number, since it is smaller than the sum of its proper divisors (20334696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12513504 is a wasteful number, since it uses less digits than its factorization.

12513504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130362 (or 130354 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 12513504 is about 3537.4431444194. The cubic root of 12513504 is about 232.1629849575.

The spelling of 12513504 in words is "twelve million, five hundred thirteen thousand, five hundred four".