13856218 has 8 divisors (see below), whose sum is σ = 21077280. Its totient is φ = 6830460.

The previous prime is 13856177. The next prime is 13856221. The reversal of 13856218 is 81265831.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48648 + ... + 48931.

It is an arithmetic number, because the mean of its divisors is an integer number (2634660).

Almost surely, 2^13856218 is an apocalyptic number.

13856218 is a deficient number, since it is larger than the sum of its proper divisors (7221062).

13856218 is an equidigital number, since it uses as much as digits as its factorization.

13856218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97652.

The product of its digits is 11520, while the sum is 34.

The square root of 13856218 is about 3722.3941220671. The cubic root of 13856218 is about 240.1863021032.

The spelling of 13856218 in words is "thirteen million, eight hundred fifty-six thousand, two hundred eighteen".