12906680 has 32 divisors (see below), whose sum is σ = 30304800. Its totient is φ = 4937856.

The previous prime is 12906667. The next prime is 12906697. The reversal of 12906680 is 8660921.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 6095 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (947025).

Almost surely, 2^12906680 is an apocalyptic number.

12906680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12906680 is an abundant number, since it is smaller than the sum of its proper divisors (17398120).

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

12906680 is a wasteful number, since it uses less digits than its factorization.

12906680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14063 (or 14059 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 12906680 is about 3592.5868117556. The cubic root of 12906680 is about 234.5694849121.

The spelling of 12906680 in words is "twelve million, nine hundred six thousand, six hundred eighty".