12468224 has 30 divisors (see below), whose sum is σ = 24968454. Its totient is φ = 6225920.

The previous prime is 12468167. The next prime is 12468227. The reversal of 12468224 is 42286421.

It can be written as a sum of positive squares in only one way, i.e., 6553600 + 5914624 = 2560^2 + 2432^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12468227) 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 as a sum of consecutive naturals, namely, 16004 + ... + 16764.

Almost surely, 2^12468224 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 12468224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12484227).

12468224 is an abundant number, since it is smaller than the sum of its proper divisors (12500230).

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

12468224 is an frugal number, since it uses more digits than its factorization.

12468224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 763 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 12468224 is about 3531.0372413782. The cubic root of 12468224 is about 231.8826199718.

The spelling of 12468224 in words is "twelve million, four hundred sixty-eight thousand, two hundred twenty-four".