12444272 has 20 divisors (see below), whose sum is σ = 25529616. Its totient is φ = 5856000.

The previous prime is 12444251. The next prime is 12444281. The reversal of 12444272 is 27244421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22604 + ... + 23147.

Almost surely, 2^12444272 is an apocalyptic number.

It is an amenable number.

12444272 is an abundant number, since it is smaller than the sum of its proper divisors (13085344).

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

12444272 is a wasteful number, since it uses less digits than its factorization.

12444272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45776 (or 45770 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 12444272 is about 3527.6439729655. The cubic root of 12444272 is about 231.7340392586.

Adding to 12444272 its reverse (27244421), we get a palindrome (39688693).

The spelling of 12444272 in words is "twelve million, four hundred forty-four thousand, two hundred seventy-two".