12328668 has 72 divisors (see below), whose sum is σ = 34384896. Its totient is φ = 3693600.

The previous prime is 12328643. The next prime is 12328681. The reversal of 12328668 is 86682321.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64453 + ... + 64643.

It is an arithmetic number, because the mean of its divisors is an integer number (477568).

Almost surely, 2^12328668 is an apocalyptic number.

12328668 is a gapful number since it is divisible by the number (18) 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 12328668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17192448).

12328668 is an abundant number, since it is smaller than the sum of its proper divisors (22056228).

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

12328668 is a wasteful number, since it uses less digits than its factorization.

12328668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 370 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12328668 is about 3511.2203006932. The cubic root of 12328668 is about 231.0142229956.

It can be divided in two parts, 12328 and 668, that added together give a square (12996 = 114²).

The spelling of 12328668 in words is "twelve million, three hundred twenty-eight thousand, six hundred sixty-eight".