13113318 has 16 divisors (see below), whose sum is σ = 26935920. Its totient is φ = 4252896.

The previous prime is 13113301. The next prime is 13113319. The reversal of 13113318 is 81331131.

13113318 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13113294 and 13113303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13113319) 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, 29313 + ... + 29756.

It is an arithmetic number, because the mean of its divisors is an integer number (1683495).

Almost surely, 2^13113318 is an apocalyptic number.

13113318 is an abundant number, since it is smaller than the sum of its proper divisors (13822602).

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

13113318 is a wasteful number, since it uses less digits than its factorization.

13113318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59111.

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

The square root of 13113318 is about 3621.2315584618. The cubic root of 13113318 is about 235.8146946220.

Adding to 13113318 its reverse (81331131), we get a palindrome (94444449).

It can be divided in two parts, 13113 and 318, that added together give a palindrome (13431).

The spelling of 13113318 in words is "thirteen million, one hundred thirteen thousand, three hundred eighteen".