12664662 has 16 divisors (see below), whose sum is σ = 25375680. Its totient is φ = 4213832.

The previous prime is 12664607. The next prime is 12664669. The reversal of 12664662 is 26646621.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12664669) 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, 2353 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (1585980).

Almost surely, 2^12664662 is an apocalyptic number.

12664662 is an abundant number, since it is smaller than the sum of its proper divisors (12711018).

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

12664662 is a wasteful number, since it uses less digits than its factorization.

12664662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867.

The product of its digits is 20736, while the sum is 33.

The square root of 12664662 is about 3558.7444415130. The cubic root of 12664662 is about 233.0940572079.

The spelling of 12664662 in words is "twelve million, six hundred sixty-four thousand, six hundred sixty-two".