12799678 has 8 divisors (see below), whose sum is σ = 19219320. Its totient is φ = 6393240.

The previous prime is 12799649. The next prime is 12799693. The reversal of 12799678 is 87699721.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (2402415).

Almost surely, 2^12799678 is an apocalyptic number.

12799678 is a deficient number, since it is larger than the sum of its proper divisors (6419642).

12799678 is a wasteful number, since it uses less digits than its factorization.

12799678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6602.

The product of its digits is 381024, while the sum is 49.

The square root of 12799678 is about 3577.6637628486. The cubic root of 12799678 is about 233.9194575120.

The spelling of 12799678 in words is "twelve million, seven hundred ninety-nine thousand, six hundred seventy-eight".