12366644 has 48 divisors (see below), whose sum is σ = 24460800. Its totient is φ = 5443200.

The previous prime is 12366643. The next prime is 12366703. The reversal of 12366644 is 44666321.

It is a self number, because there is not a number n which added to its sum of digits gives 12366644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12366643) 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 15 ways as a sum of consecutive naturals, for example, 68234 + ... + 68414.

It is an arithmetic number, because the mean of its divisors is an integer number (509600).

Almost surely, 2^12366644 is an apocalyptic number.

It is an amenable number.

12366644 is a deficient number, since it is larger than the sum of its proper divisors (12094156).

12366644 is a wasteful number, since it uses less digits than its factorization.

12366644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264 (or 262 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 12366644 is about 3516.6239491876. The cubic root of 12366644 is about 231.2511775932.

The spelling of 12366644 in words is "twelve million, three hundred sixty-six thousand, six hundred forty-four".