12666710 has 32 divisors (see below), whose sum is σ = 26507520. Its totient is φ = 4267872.

The previous prime is 12666701. The next prime is 12666727. The reversal of 12666710 is 1766621.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2597 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (828360).

Almost surely, 2^12666710 is an apocalyptic number.

12666710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12666710 is an abundant number, since it is smaller than the sum of its proper divisors (13840810).

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

12666710 is a wasteful number, since it uses less digits than its factorization.

12666710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3140.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12666710 is about 3559.0321718130. The cubic root of 12666710 is about 233.1066210621.

The spelling of 12666710 in words is "twelve million, six hundred sixty-six thousand, seven hundred ten".