12782608 has 20 divisors (see below), whose sum is σ = 24834348. Its totient is φ = 6373760.

The previous prime is 12782599. The next prime is 12782629. The reversal of 12782608 is 80628721.

It can be written as a sum of positive squares in 2 ways, for example, as 4875264 + 7907344 = 2208^2 + 2812^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6510 + ... + 8242.

Almost surely, 2^12782608 is an apocalyptic number.

It is an amenable number.

12782608 is a deficient number, since it is larger than the sum of its proper divisors (12051740).

12782608 is a wasteful number, since it uses less digits than its factorization.

12782608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2196 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12782608 is about 3575.2773319003. The cubic root of 12782608 is about 233.8154241263.

The spelling of 12782608 in words is "twelve million, seven hundred eighty-two thousand, six hundred eight".