12255824 has 40 divisors (see below), whose sum is σ = 27528000. Its totient is φ = 5177088.

The previous prime is 12255821. The next prime is 12255829. The reversal of 12255824 is 42855221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7427 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (688200).

Almost surely, 2^12255824 is an apocalyptic number.

12255824 is a gapful number since it is divisible by the number (14) 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 12255824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13764000).

12255824 is an abundant number, since it is smaller than the sum of its proper divisors (15272176).

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

12255824 is a wasteful number, since it uses less digits than its factorization.

12255824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1587 (or 1581 counting only the distinct ones).

The product of its digits is 6400, while the sum is 29.

The square root of 12255824 is about 3500.8319011344. The cubic root of 12255824 is about 230.5583410340.

The spelling of 12255824 in words is "twelve million, two hundred fifty-five thousand, eight hundred twenty-four".