12113318 has 16 divisors (see below), whose sum is σ = 21669120. Its totient is φ = 4965576.

The previous prime is 12113303. The next prime is 12113323. The reversal of 12113318 is 81331121.

It is a self number, because there is not a number n which added to its sum of digits gives 12113318.

It is a congruent number.

It is an unprimeable number.

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, 18488 + ... + 19131.

It is an arithmetic number, because the mean of its divisors is an integer number (1354320).

Almost surely, 2^12113318 is an apocalyptic number.

12113318 is a deficient number, since it is larger than the sum of its proper divisors (9555802).

12113318 is a wasteful number, since it uses less digits than its factorization.

12113318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37651.

The product of its digits is 144, while the sum is 20.

The square root of 12113318 is about 3480.4192276219. The cubic root of 12113318 is about 229.6612404274.

Adding to 12113318 its reverse (81331121), we get a palindrome (93444439).

The spelling of 12113318 in words is "twelve million, one hundred thirteen thousand, three hundred eighteen".