13518138 has 8 divisors (see below), whose sum is σ = 27036288. Its totient is φ = 4506044.

The previous prime is 13518133. The next prime is 13518161. The reversal of 13518138 is 83181531.

13518138 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 sphenic number, since it is the product of 3 distinct primes.

13518138 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13518133) 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, 1126506 + ... + 1126517.

It is an arithmetic number, because the mean of its divisors is an integer number (3379536).

Almost surely, 2^13518138 is an apocalyptic number.

13518138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13518138 is a wasteful number, since it uses less digits than its factorization.

13518138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253028.

The product of its digits is 2880, while the sum is 30.

The square root of 13518138 is about 3676.7020548312. The cubic root of 13518138 is about 238.2167481479.

Adding to 13518138 its reverse (83181531), we get a palindrome (96699669).

The spelling of 13518138 in words is "thirteen million, five hundred eighteen thousand, one hundred thirty-eight".