12545564 has 12 divisors (see below), whose sum is σ = 22005984. Its totient is φ = 6258144.

The previous prime is 12545563. The next prime is 12545581. The reversal of 12545564 is 46554521.

It is a self number, because there is not a number n which added to its sum of digits gives 12545564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (1833832).

Almost surely, 2^12545564 is an apocalyptic number.

It is an amenable number.

12545564 is a deficient number, since it is larger than the sum of its proper divisors (9460420).

12545564 is a wasteful number, since it uses less digits than its factorization.

12545564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7324 (or 7322 counting only the distinct ones).

The product of its digits is 24000, while the sum is 32.

The square root of 12545564 is about 3541.9717672506. The cubic root of 12545564 is about 232.3610855536.

The spelling of 12545564 in words is "twelve million, five hundred forty-five thousand, five hundred sixty-four".