12118432 has 24 divisors (see below), whose sum is σ = 24415776. Its totient is φ = 5917632.

The previous prime is 12118429. The next prime is 12118441. The reversal of 12118432 is 23481121.

It is a happy 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 in 3 ways as a sum of consecutive naturals, for example, 3028 + ... + 5779.

It is an arithmetic number, because the mean of its divisors is an integer number (1017324).

Almost surely, 2^12118432 is an apocalyptic number.

It is an amenable number.

12118432 is an abundant number, since it is smaller than the sum of its proper divisors (12297344).

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

12118432 is an equidigital number, since it uses as much as digits as its factorization.

12118432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8860 (or 8852 counting only the distinct ones).

The product of its digits is 384, while the sum is 22.

The square root of 12118432 is about 3481.1538317058. The cubic root of 12118432 is about 229.6935553373.

Adding to 12118432 its reverse (23481121), we get a palindrome (35599553).

The spelling of 12118432 in words is "twelve million, one hundred eighteen thousand, four hundred thirty-two".