12678386 has 8 divisors (see below), whose sum is σ = 21734400. Its totient is φ = 5433588.

The previous prime is 12678371. The next prime is 12678427. The reversal of 12678386 is 68387621.

It is a happy number.

12678386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 452786 + ... + 452813.

It is an arithmetic number, because the mean of its divisors is an integer number (2716800).

Almost surely, 2^12678386 is an apocalyptic number.

12678386 is a deficient number, since it is larger than the sum of its proper divisors (9056014).

12678386 is an equidigital number, since it uses as much as digits as its factorization.

12678386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905608.

The product of its digits is 96768, while the sum is 41.

The square root of 12678386 is about 3560.6721275624. The cubic root of 12678386 is about 233.1782238972.

The spelling of 12678386 in words is "twelve million, six hundred seventy-eight thousand, three hundred eighty-six".