12432112 has 40 divisors (see below), whose sum is σ = 30033792. Its totient is φ = 4843200.

The previous prime is 12432107. The next prime is 12432163. The reversal of 12432112 is 21123421.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3814 + ... + 6277.

Almost surely, 2^12432112 is an apocalyptic number.

It is an amenable number.

12432112 is an abundant number, since it is smaller than the sum of its proper divisors (17601680).

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

12432112 is a wasteful number, since it uses less digits than its factorization.

12432112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10117 (or 10111 counting only the distinct ones).

The product of its digits is 96, while the sum is 16.

The square root of 12432112 is about 3525.9200217815. The cubic root of 12432112 is about 231.6585345270.

Adding to 12432112 its reverse (21123421), we get a palindrome (33555533).

It can be divided in two parts, 12432 and 112, that added together give a square (12544 = 112²).

The spelling of 12432112 in words is "twelve million, four hundred thirty-two thousand, one hundred twelve".