12714678 has 32 divisors (see below), whose sum is σ = 28401120. Its totient is φ = 4216320.

The previous prime is 12714671. The next prime is 12714683. The reversal of 12714678 is 87641721.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12714671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12526 + ... + 13502.

It is an arithmetic number, because the mean of its divisors is an integer number (887535).

Almost surely, 2^12714678 is an apocalyptic number.

12714678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12714678 is an abundant number, since it is smaller than the sum of its proper divisors (15686442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12714678 is a wasteful number, since it uses less digits than its factorization.

12714678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229 (or 1223 counting only the distinct ones).

The product of its digits is 18816, while the sum is 36.

The square root of 12714678 is about 3565.7647146159. The cubic root of 12714678 is about 233.4005035642.

The spelling of 12714678 in words is "twelve million, seven hundred fourteen thousand, six hundred seventy-eight".