12944448 has 140 divisors (see below), whose sum is σ = 42044112. Its totient is φ = 3905280.

The previous prime is 12944443. The next prime is 12944473. The reversal of 12944448 is 84444921.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is not an unprimeable number, because it can be changed into a prime (12944443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 56911 + ... + 57137.

Almost surely, 2^12944448 is an apocalyptic number.

12944448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12944448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21022056).

12944448 is an abundant number, since it is smaller than the sum of its proper divisors (29099664).

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

12944448 is a wasteful number, since it uses less digits than its factorization.

12944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 243 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 12944448 is about 3597.8393516109. The cubic root of 12944448 is about 234.7980640389.

The spelling of 12944448 in words is "twelve million, nine hundred forty-four thousand, four hundred forty-eight".