12249328 has 80 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 4716288.

The previous prime is 12249323. The next prime is 12249353. The reversal of 12249328 is 82394221.

It is a self number, because there is not a number n which added to its sum of digits gives 12249328.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68343 + ... + 68521.

It is an arithmetic number, because the mean of its divisors is an integer number (374976).

Almost surely, 2^12249328 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 12249328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14999040).

12249328 is an abundant number, since it is smaller than the sum of its proper divisors (17748752).

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

12249328 is a wasteful number, since it uses less digits than its factorization.

12249328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 12249328 is about 3499.9039986834. The cubic root of 12249328 is about 230.5175992698.

The spelling of 12249328 in words is "twelve million, two hundred forty-nine thousand, three hundred twenty-eight".