12441439 has 2 divisors, whose sum is σ = 12441440. Its totient is φ = 12441438.

The previous prime is 12441421. The next prime is 12441479. The reversal of 12441439 is 93414421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12441439 - 2⁷ = 12441311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12441419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220719 + 6220720.

It is an arithmetic number, because the mean of its divisors is an integer number (6220720).

Almost surely, 2^12441439 is an apocalyptic number.

12441439 is a deficient number, since it is larger than the sum of its proper divisors (1).

12441439 is an equidigital number, since it uses as much as digits as its factorization.

12441439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 12441439 is about 3527.2424073205. The cubic root of 12441439 is about 231.7164527911.

It can be divided in two parts, 12441 and 439, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12441439 in words is "twelve million, four hundred forty-one thousand, four hundred thirty-nine".