12130818 has 32 divisors (see below), whose sum is σ = 27838464. Its totient is φ = 3452112.

The previous prime is 12130771. The next prime is 12130849. The reversal of 12130818 is 81803121.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15021 + ... + 15807.

It is an arithmetic number, because the mean of its divisors is an integer number (869952).

Almost surely, 2^12130818 is an apocalyptic number.

12130818 is an abundant number, since it is smaller than the sum of its proper divisors (15707646).

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

12130818 is a wasteful number, since it uses less digits than its factorization.

12130818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 12130818 is about 3482.9323852180. The cubic root of 12130818 is about 229.7717837104.

Adding to 12130818 its reverse (81803121), we get a palindrome (93933939).

The spelling of 12130818 in words is "twelve million, one hundred thirty thousand, eight hundred eighteen".