12678694 has 8 divisors (see below), whose sum is σ = 21734928. Its totient is φ = 5433720.

The previous prime is 12678689. The next prime is 12678707. The reversal of 12678694 is 49687621.

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 12678694.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452797 + ... + 452824.

It is an arithmetic number, because the mean of its divisors is an integer number (2716866).

Almost surely, 2^12678694 is an apocalyptic number.

12678694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12678694 is a deficient number, since it is larger than the sum of its proper divisors (9056234).

12678694 is an equidigital number, since it uses as much as digits as its factorization.

12678694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905630.

The product of its digits is 145152, while the sum is 43.

The square root of 12678694 is about 3560.7153775611. The cubic root of 12678694 is about 233.1801121058.

The spelling of 12678694 in words is "twelve million, six hundred seventy-eight thousand, six hundred ninety-four".