12044320 has 24 divisors (see below), whose sum is σ = 28455084. Its totient is φ = 4817664.

The previous prime is 12044317. The next prime is 12044321. The reversal of 12044320 is 2344021.

It can be written as a sum of positive squares in 2 ways, for example, as 11861136 + 183184 = 3444^2 + 428^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 12044294 and 12044303.

It is not an unprimeable number, because it can be changed into a prime (12044321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37479 + ... + 37798.

Almost surely, 2^12044320 is an apocalyptic number.

12044320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12044320 is an abundant number, since it is smaller than the sum of its proper divisors (16410764).

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

12044320 is an equidigital number, since it uses as much as digits as its factorization.

12044320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75292 (or 75284 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 12044320 is about 3470.4927604016. The cubic root of 12044320 is about 229.2243563118.

Adding to 12044320 its reverse (2344021), we get a palindrome (14388341).

The spelling of 12044320 in words is "twelve million, forty-four thousand, three hundred twenty".