12808678 has 8 divisors (see below), whose sum is σ = 19353672. Its totient is φ = 6357456.

The previous prime is 12808661. The next prime is 12808721. The reversal of 12808678 is 87680821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12808678.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23100 + ... + 23647.

It is an arithmetic number, because the mean of its divisors is an integer number (2419209).

Almost surely, 2^12808678 is an apocalyptic number.

12808678 is a deficient number, since it is larger than the sum of its proper divisors (6544994).

12808678 is a wasteful number, since it uses less digits than its factorization.

12808678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46886.

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 12808678 is about 3578.9213458806. The cubic root of 12808678 is about 233.9742709189.

It can be divided in two parts, 128086 and 78, that added together give a square (128164 = 358²).

The spelling of 12808678 in words is "twelve million, eight hundred eight thousand, six hundred seventy-eight".