14678718 has 16 divisors (see below), whose sum is σ = 31084560. Its totient is φ = 4605056.

The previous prime is 14678707. The next prime is 14678723. The reversal of 14678718 is 81787641.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14678718.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71853 + ... + 72056.

It is an arithmetic number, because the mean of its divisors is an integer number (1942785).

Almost surely, 2^14678718 is an apocalyptic number.

14678718 is an abundant number, since it is smaller than the sum of its proper divisors (16405842).

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

14678718 is a wasteful number, since it uses less digits than its factorization.

14678718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143931.

The product of its digits is 75264, while the sum is 42.

The square root of 14678718 is about 3831.2815088427. The cubic root of 14678718 is about 244.8477076591.

The spelling of 14678718 in words is "fourteen million, six hundred seventy-eight thousand, seven hundred eighteen".