12444338 has 4 divisors (see below), whose sum is σ = 18666510. Its totient is φ = 6222168.

The previous prime is 12444337. The next prime is 12444343. The reversal of 12444338 is 83344421.

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

It can be written as a sum of positive squares in only one way, i.e., 8254129 + 4190209 = 2873^2 + 2047^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12444338.

It is not an unprimeable number, because it can be changed into a prime (12444337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111083 + ... + 3111086.

Almost surely, 2^12444338 is an apocalyptic number.

12444338 is a deficient number, since it is larger than the sum of its proper divisors (6222172).

12444338 is an equidigital number, since it uses as much as digits as its factorization.

12444338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6222171.

The product of its digits is 9216, while the sum is 29.

The square root of 12444338 is about 3527.6533276386. The cubic root of 12444338 is about 231.7344489363.

Adding to 12444338 its reverse (83344421), we get a palindrome (95788759).

The spelling of 12444338 in words is "twelve million, four hundred forty-four thousand, three hundred thirty-eight".