13518113 has 4 divisors (see below), whose sum is σ = 15449280. Its totient is φ = 11586948.

The previous prime is 13518103. The next prime is 13518119. The reversal of 13518113 is 31181531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31181531 = 271 ⋅115061.

It is a cyclic number.

It is not a de Polignac number, because 13518113 - 2⁴ = 13518097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13518119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965573 + ... + 965586.

It is an arithmetic number, because the mean of its divisors is an integer number (3862320).

Almost surely, 2^13518113 is an apocalyptic number.

It is an amenable number.

13518113 is a deficient number, since it is larger than the sum of its proper divisors (1931167).

13518113 is an equidigital number, since it uses as much as digits as its factorization.

13518113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931166.

The product of its digits is 360, while the sum is 23.

The square root of 13518113 is about 3676.6986550437. The cubic root of 13518113 is about 238.2166012977.

Adding to 13518113 its reverse (31181531), we get a palindrome (44699644).

It can be divided in two parts, 13518 and 113, that added together give a palindrome (13631).

The spelling of 13518113 in words is "thirteen million, five hundred eighteen thousand, one hundred thirteen".