12506680 has 32 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 4973440.

The previous prime is 12506677. The next prime is 12506699. The reversal of 12506680 is 8660521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6822 + ... + 8458.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 2^12506680 is an apocalyptic number.

12506680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12506680 is an abundant number, since it is smaller than the sum of its proper divisors (15797960).

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

12506680 is a wasteful number, since it uses less digits than its factorization.

12506680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1835 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 12506680 is about 3536.4784744149. The cubic root of 12506680 is about 232.1207754031.

The spelling of 12506680 in words is "twelve million, five hundred six thousand, six hundred eighty".