13312118 has 4 divisors (see below), whose sum is σ = 19968180. Its totient is φ = 6656058.

The previous prime is 13312109. The next prime is 13312129. The reversal of 13312118 is 81121331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81121331 = 17 ⋅4771843.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13312118.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3328028 + ... + 3328031.

It is an arithmetic number, because the mean of its divisors is an integer number (4992045).

Almost surely, 2^13312118 is an apocalyptic number.

13312118 is a deficient number, since it is larger than the sum of its proper divisors (6656062).

13312118 is an equidigital number, since it uses as much as digits as its factorization.

13312118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656061.

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

The square root of 13312118 is about 3648.5775310386. The cubic root of 13312118 is about 237.0003857400. Note that the first 3 decimals are identical.

Adding to 13312118 its reverse (81121331), we get a palindrome (94433449).

The spelling of 13312118 in words is "thirteen million, three hundred twelve thousand, one hundred eighteen".