12432441 has 16 divisors (see below), whose sum is σ = 19942400. Its totient is φ = 6730128.

The previous prime is 12432391. The next prime is 12432449. The reversal of 12432441 is 14423421.

It is not a de Polignac number, because 12432441 - 2⁹ = 12431929 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (12432449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15181 + ... + 15978.

It is an arithmetic number, because the mean of its divisors is an integer number (1246400).

Almost surely, 2^12432441 is an apocalyptic number.

It is an amenable number.

12432441 is a deficient number, since it is larger than the sum of its proper divisors (7509959).

12432441 is a wasteful number, since it uses less digits than its factorization.

12432441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31188.

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

The square root of 12432441 is about 3525.9666759628. The cubic root of 12432441 is about 231.6605780249.

Adding to 12432441 its reverse (14423421), we get a palindrome (26855862).

The spelling of 12432441 in words is "twelve million, four hundred thirty-two thousand, four hundred forty-one".