12426680 has 32 divisors (see below), whose sum is σ = 31955040. Its totient is φ = 4260480.

The previous prime is 12426679. The next prime is 12426727. The reversal of 12426680 is 8662421.

12426680 = T₂₂₂₇ + T₂₂₂₈ + ... + T₂₂₃₁.

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, 21911 + ... + 22470.

It is an arithmetic number, because the mean of its divisors is an integer number (998595).

Almost surely, 2^12426680 is an apocalyptic number.

12426680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12426680 is an abundant number, since it is smaller than the sum of its proper divisors (19528360).

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

12426680 is a wasteful number, since it uses less digits than its factorization.

12426680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44399 (or 44395 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 12426680 is about 3525.1496422138. The cubic root of 12426680 is about 231.6247898589.

The spelling of 12426680 in words is "twelve million, four hundred twenty-six thousand, six hundred eighty".