12113232 has 20 divisors (see below), whose sum is σ = 31292640. Its totient is φ = 4037728.

The previous prime is 12113221. The next prime is 12113251. The reversal of 12113232 is 23231121.

It is a nude number because it is divisible by every one of its digits.

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 in 3 ways as a sum of consecutive naturals, for example, 126132 + ... + 126227.

It is an arithmetic number, because the mean of its divisors is an integer number (1564632).

Almost surely, 2^12113232 is an apocalyptic number.

12113232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12113232 is an abundant number, since it is smaller than the sum of its proper divisors (19179408).

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

12113232 is a wasteful number, since it uses less digits than its factorization.

12113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252370 (or 252364 counting only the distinct ones).

The product of its digits is 72, while the sum is 15.

The square root of 12113232 is about 3480.4068727665. The cubic root of 12113232 is about 229.6606969233.

Adding to 12113232 its reverse (23231121), we get a palindrome (35344353).

The spelling of 12113232 in words is "twelve million, one hundred thirteen thousand, two hundred thirty-two".