12448544 has 24 divisors (see below), whose sum is σ = 24848460. Its totient is φ = 6139008.

The previous prime is 12448523. The next prime is 12448547. The reversal of 12448544 is 44584421.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 11424400 + 1024144 = 3380^2 + 1012^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12448544.

It is not an unprimeable number, because it can be changed into a prime (12448547) by changing a digit.

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, 170492 + ... + 170564.

Almost surely, 2^12448544 is an apocalyptic number.

It is an amenable number.

12448544 is a deficient number, since it is larger than the sum of its proper divisors (12399916).

12448544 is an frugal number, since it uses more digits than its factorization.

12448544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 75 counting only the distinct ones).

The product of its digits is 20480, while the sum is 32.

The square root of 12448544 is about 3528.2494242896. The cubic root of 12448544 is about 231.7605535874.

12448544 divided by its sum of digits (32) gives a cube (389017 = 73³).

The spelling of 12448544 in words is "twelve million, four hundred forty-eight thousand, five hundred forty-four".