12225984 has 56 divisors (see below), whose sum is σ = 33241488. Its totient is φ = 3962880.

The previous prime is 12225937. The next prime is 12225989. The reversal of 12225984 is 48952221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12225989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6244 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (593598).

Almost surely, 2^12225984 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 12225984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16620744).

12225984 is an abundant number, since it is smaller than the sum of its proper divisors (21015504).

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

12225984 is a wasteful number, since it uses less digits than its factorization.

12225984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1773 (or 1763 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12225984 is about 3496.5674596667. The cubic root of 12225984 is about 230.3710708277.

It can be divided in two parts, 122 and 25984, that added together give a triangular number (26106 = T₂₂₈).

The spelling of 12225984 in words is "twelve million, two hundred twenty-five thousand, nine hundred eighty-four".