12678608 has 10 divisors (see below), whose sum is σ = 24564834. Its totient is φ = 6339296.

The previous prime is 12678577. The next prime is 12678619. The reversal of 12678608 is 80687621.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 5345344 = 2708^2 + 2312^2 .

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 as a sum of consecutive naturals, namely, 396191 + ... + 396222.

Almost surely, 2^12678608 is an apocalyptic number.

It is an amenable number.

12678608 is a deficient number, since it is larger than the sum of its proper divisors (11886226).

12678608 is an equidigital number, since it uses as much as digits as its factorization.

12678608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792421 (or 792415 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 12678608 is about 3560.7033013156. The cubic root of 12678608 is about 233.1795848818.

The spelling of 12678608 in words is "twelve million, six hundred seventy-eight thousand, six hundred eight".