12913678 has 8 divisors (see below), whose sum is σ = 19387368. Its totient is φ = 6451224.

The previous prime is 12913661. The next prime is 12913679. The reversal of 12913678 is 87631921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12913679) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1225 + ... + 5227.

It is an arithmetic number, because the mean of its divisors is an integer number (2423421).

Almost surely, 2^12913678 is an apocalyptic number.

12913678 is a deficient number, since it is larger than the sum of its proper divisors (6473690).

12913678 is a wasteful number, since it uses less digits than its factorization.

12913678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618.

The product of its digits is 18144, while the sum is 37.

The square root of 12913678 is about 3593.5606297932. The cubic root of 12913678 is about 234.6118717657.

The spelling of 12913678 in words is "twelve million, nine hundred thirteen thousand, six hundred seventy-eight".