12366642 has 16 divisors (see below), whose sum is σ = 24979392. Its totient is φ = 4081200.

The previous prime is 12366637. The next prime is 12366643. The reversal of 12366642 is 24666321.

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 7 ways as a sum of consecutive naturals, for example, 9598 + ... + 10809.

It is an arithmetic number, because the mean of its divisors is an integer number (1561212).

Almost surely, 2^12366642 is an apocalyptic number.

12366642 is an abundant number, since it is smaller than the sum of its proper divisors (12612750).

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

12366642 is a wasteful number, since it uses less digits than its factorization.

12366642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20513.

The product of its digits is 10368, while the sum is 30.

The square root of 12366642 is about 3516.6236648240. The cubic root of 12366642 is about 231.2511651268.

The spelling of 12366642 in words is "twelve million, three hundred sixty-six thousand, six hundred forty-two".