13112218 has 8 divisors (see below), whose sum is σ = 22478112. Its totient is φ = 5619516.

The previous prime is 13112161. The next prime is 13112221. The reversal of 13112218 is 81221131.

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

It is a junction number, because it is equal to n+sod(n) for n = 13112195 and 13112204.

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, 468280 + ... + 468307.

It is an arithmetic number, because the mean of its divisors is an integer number (2809764).

Almost surely, 2^13112218 is an apocalyptic number.

13112218 is a deficient number, since it is larger than the sum of its proper divisors (9365894).

13112218 is an equidigital number, since it uses as much as digits as its factorization.

13112218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936596.

The product of its digits is 96, while the sum is 19.

The square root of 13112218 is about 3621.0796732466. The cubic root of 13112218 is about 235.8081007298.

Adding to 13112218 its reverse (81221131), we get a palindrome (94333349).

The spelling of 13112218 in words is "thirteen million, one hundred twelve thousand, two hundred eighteen".