12328872 has 48 divisors (see below), whose sum is σ = 32552640. Its totient is φ = 3890592.

The previous prime is 12328867. The next prime is 12328873. The reversal of 12328872 is 27882321.

It is not an unprimeable number, because it can be changed into a prime (12328873) 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 11 ways as a sum of consecutive naturals, for example, 7953 + ... + 9375.

It is an arithmetic number, because the mean of its divisors is an integer number (678180).

Almost surely, 2^12328872 is an apocalyptic number.

12328872 is a gapful number since it is divisible by the number (12) 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 12328872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16276320).

12328872 is an abundant number, since it is smaller than the sum of its proper divisors (20223768).

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

12328872 is a wasteful number, since it uses less digits than its factorization.

12328872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1470 (or 1447 counting only the distinct ones).

The product of its digits is 10752, while the sum is 33.

The square root of 12328872 is about 3511.2493503025. The cubic root of 12328872 is about 231.0154971706.

The spelling of 12328872 in words is "twelve million, three hundred twenty-eight thousand, eight hundred seventy-two".