12441431 has 4 divisors (see below), whose sum is σ = 12627192. Its totient is φ = 12255672.

The previous prime is 12441421. The next prime is 12441439. The reversal of 12441431 is 13414421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12441431 - 2¹⁴ = 12425047 is a prime.

It is a super-2 number, since 2×12441431² = 309578410655522, which contains 22 as substring.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92780 + ... + 92913.

It is an arithmetic number, because the mean of its divisors is an integer number (3156798).

Almost surely, 2^12441431 is an apocalyptic number.

12441431 is a deficient number, since it is larger than the sum of its proper divisors (185761).

12441431 is an equidigital number, since it uses as much as digits as its factorization.

12441431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185760.

The product of its digits is 384, while the sum is 20.

The square root of 12441431 is about 3527.2412732899. The cubic root of 12441431 is about 231.7164031255.

Adding to 12441431 its reverse (13414421), we get a palindrome (25855852).

The spelling of 12441431 in words is "twelve million, four hundred forty-one thousand, four hundred thirty-one".