14686818 has 16 divisors (see below), whose sum is σ = 30386880. Its totient is φ = 4726736.

The previous prime is 14686813. The next prime is 14686843. The reversal of 14686818 is 81868641.

It is a self number, because there is not a number n which added to its sum of digits gives 14686818.

It is not an unprimeable number, because it can be changed into a prime (14686813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42030 + ... + 42377.

It is an arithmetic number, because the mean of its divisors is an integer number (1899180).

Almost surely, 2^14686818 is an apocalyptic number.

14686818 is an abundant number, since it is smaller than the sum of its proper divisors (15700062).

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

14686818 is a wasteful number, since it uses less digits than its factorization.

14686818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84441.

The product of its digits is 73728, while the sum is 42.

The square root of 14686818 is about 3832.3384506069. The cubic root of 14686818 is about 244.8927366083.

The spelling of 14686818 in words is "fourteen million, six hundred eighty-six thousand, eight hundred eighteen".