13718866 has 8 divisors (see below), whose sum is σ = 23518080. Its totient is φ = 5879508.

The previous prime is 13718851. The next prime is 13718867. The reversal of 13718866 is 66881731.

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

It is not an unprimeable number, because it can be changed into a prime (13718867) by changing a digit.

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, 489946 + ... + 489973.

It is an arithmetic number, because the mean of its divisors is an integer number (2939760).

Almost surely, 2^13718866 is an apocalyptic number.

13718866 is a deficient number, since it is larger than the sum of its proper divisors (9799214).

13718866 is an equidigital number, since it uses as much as digits as its factorization.

13718866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979928.

The product of its digits is 48384, while the sum is 40.

The square root of 13718866 is about 3703.8987567157. The cubic root of 13718866 is about 239.3900367315.

The spelling of 13718866 in words is "thirteen million, seven hundred eighteen thousand, eight hundred sixty-six".