12441432 has 32 divisors (see below), whose sum is σ = 31693680. Its totient is φ = 4068480.

The previous prime is 12441421. The next prime is 12441439. The reversal of 12441432 is 23414421.

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

It is a junction number, because it is equal to n+sod(n) for n = 12441399 and 12441408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12441439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3619 + ... + 6162.

Almost surely, 2^12441432 is an apocalyptic number.

12441432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12441432 is an abundant number, since it is smaller than the sum of its proper divisors (19252248).

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

12441432 is a wasteful number, since it uses less digits than its factorization.

12441432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843 (or 9839 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 12441432 is about 3527.2414150438. The cubic root of 12441432 is about 231.7164093337.

Adding to 12441432 its reverse (23414421), we get a palindrome (35855853).

The spelling of 12441432 in words is "twelve million, four hundred forty-one thousand, four hundred thirty-two".