12444443 has 12 divisors (see below), whose sum is σ = 13935624. Its totient is φ = 11020800.

The previous prime is 12444437. The next prime is 12444473. The reversal of 12444443 is 34444421.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-12444443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18155 + ... + 18827.

It is an arithmetic number, because the mean of its divisors is an integer number (1161302).

Almost surely, 2^12444443 is an apocalyptic number.

12444443 is a deficient number, since it is larger than the sum of its proper divisors (1491181).

12444443 is an equidigital number, since it uses as much as digits as its factorization.

12444443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766 (or 725 counting only the distinct ones).

The product of its digits is 6144, while the sum is 26.

The square root of 12444443 is about 3527.6682100220. The cubic root of 12444443 is about 231.7351006932.

Adding to 12444443 its reverse (34444421), we get a palindrome (46888864).

The spelling of 12444443 in words is "twelve million, four hundred forty-four thousand, four hundred forty-three".