12365564 has 6 divisors (see below), whose sum is σ = 21639744. Its totient is φ = 6182780.

The previous prime is 12365539. The next prime is 12365567. The reversal of 12365564 is 46556321.

It is a self number, because there is not a number n which added to its sum of digits gives 12365564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12365567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1545692 + ... + 1545699.

It is an arithmetic number, because the mean of its divisors is an integer number (3606624).

Almost surely, 2^12365564 is an apocalyptic number.

It is an amenable number.

12365564 is a deficient number, since it is larger than the sum of its proper divisors (9274180).

12365564 is a wasteful number, since it uses less digits than its factorization.

12365564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091395 (or 3091393 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 12365564 is about 3516.4703894673. The cubic root of 12365564 is about 231.2444455447.

The spelling of 12365564 in words is "twelve million, three hundred sixty-five thousand, five hundred sixty-four".