12444039 has 6 divisors (see below), whose sum is σ = 17974736. Its totient is φ = 8296020.

The previous prime is 12444037. The next prime is 12444041. The reversal of 12444039 is 93044421.

It is an interprime number because it is at equal distance from previous prime (12444037) and next prime (12444041).

It is not a de Polignac number, because 12444039 - 2¹ = 12444037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444037) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 691327 + ... + 691344.

Almost surely, 2^12444039 is an apocalyptic number.

12444039 is a deficient number, since it is larger than the sum of its proper divisors (5530697).

12444039 is a wasteful number, since it uses less digits than its factorization.

12444039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382677 (or 1382674 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12444039 is about 3527.6109479363. The cubic root of 12444039 is about 231.7325929609.

The spelling of 12444039 in words is "twelve million, four hundred forty-four thousand, thirty-nine".