12660662 has 16 divisors (see below), whose sum is σ = 22209792. Its totient is φ = 5299560.

The previous prime is 12660647. The next prime is 12660667. The reversal of 12660662 is 26606621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660667) 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, 9914 + ... + 11117.

It is an arithmetic number, because the mean of its divisors is an integer number (1388112).

Almost surely, 2^12660662 is an apocalyptic number.

12660662 is a deficient number, since it is larger than the sum of its proper divisors (9549130).

12660662 is a wasteful number, since it uses less digits than its factorization.

12660662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21083.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 12660662 is about 3558.1824011706. The cubic root of 12660662 is about 233.0695145236.

The spelling of 12660662 in words is "twelve million, six hundred sixty thousand, six hundred sixty-two".