12807616 has 28 divisors (see below), whose sum is σ = 25539192. Its totient is φ = 6372608.

The previous prime is 12807607. The next prime is 12807623. The reversal of 12807616 is 61670821.

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 3 ways as a sum of consecutive naturals, for example, 18411 + ... + 19093.

It is an arithmetic number, because the mean of its divisors is an integer number (912114).

Almost surely, 2^12807616 is an apocalyptic number.

12807616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12807616 is a deficient number, since it is larger than the sum of its proper divisors (12731576).

12807616 is an equidigital number, since it uses as much as digits as its factorization.

12807616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 978 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 12807616 is about 3578.7729740792. The cubic root of 12807616 is about 233.9678042733.

The spelling of 12807616 in words is "twelve million, eight hundred seven thousand, six hundred sixteen".