12255744 has 80 divisors (see below), whose sum is σ = 33390720. Its totient is φ = 3993600.

The previous prime is 12255743. The next prime is 12255781. The reversal of 12255744 is 44755221.

It is not an unprimeable number, because it can be changed into a prime (12255743) 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 7 ways as a sum of consecutive naturals, for example, 121294 + ... + 121394.

It is an arithmetic number, because the mean of its divisors is an integer number (417384).

Almost surely, 2^12255744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12255744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16695360).

12255744 is an abundant number, since it is smaller than the sum of its proper divisors (21134976).

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

12255744 is an equidigital number, since it uses as much as digits as its factorization.

12255744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 185 counting only the distinct ones).

The product of its digits is 11200, while the sum is 30.

The square root of 12255744 is about 3500.8204752600. The cubic root of 12255744 is about 230.5578393757.

The spelling of 12255744 in words is "twelve million, two hundred fifty-five thousand, seven hundred forty-four".