12793678 has 8 divisors (see below), whose sum is σ = 19515960. Its totient is φ = 6288360.

The previous prime is 12793663. The next prime is 12793687. The reversal of 12793678 is 87639721.

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 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, 54093 + ... + 54328.

It is an arithmetic number, because the mean of its divisors is an integer number (2439495).

Almost surely, 2^12793678 is an apocalyptic number.

12793678 is a deficient number, since it is larger than the sum of its proper divisors (6722282).

12793678 is a wasteful number, since it uses less digits than its factorization.

12793678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108482.

The product of its digits is 127008, while the sum is 43.

The square root of 12793678 is about 3576.8251285183. The cubic root of 12793678 is about 233.8829009646.

The spelling of 12793678 in words is "twelve million, seven hundred ninety-three thousand, six hundred seventy-eight".