13311318 has 16 divisors (see below), whose sum is σ = 26665920. Its totient is φ = 4429896.

The previous prime is 13311317. The next prime is 13311349. The reversal of 13311318 is 81311331.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13311294 and 13311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3313 + ... + 6131.

It is an arithmetic number, because the mean of its divisors is an integer number (1666620).

Almost surely, 2^13311318 is an apocalyptic number.

13311318 is an abundant number, since it is smaller than the sum of its proper divisors (13354602).

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

13311318 is a wasteful number, since it uses less digits than its factorization.

13311318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611.

The product of its digits is 216, while the sum is 21.

The square root of 13311318 is about 3648.4678976250. The cubic root of 13311318 is about 236.9956380831.

Adding to 13311318 its reverse (81311331), we get a palindrome (94622649).

The spelling of 13311318 in words is "thirteen million, three hundred eleven thousand, three hundred eighteen".