12442444 has 24 divisors (see below), whose sum is σ = 25088000. Its totient is φ = 5288976.

The previous prime is 12442429. The next prime is 12442513. The reversal of 12442444 is 44424421.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1807 + ... + 5305.

Almost surely, 2^12442444 is an apocalyptic number.

12442444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12442444 is an abundant number, since it is smaller than the sum of its proper divisors (12645556).

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

12442444 is a wasteful number, since it uses less digits than its factorization.

12442444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3637 (or 3635 counting only the distinct ones).

The product of its digits is 4096, while the sum is 25.

The square root of 12442444 is about 3527.3848670084. The cubic root of 12442444 is about 231.7226918541.

Adding to 12442444 its reverse (44424421), we get a palindrome (56866865).

The spelling of 12442444 in words is "twelve million, four hundred forty-two thousand, four hundred forty-four".