12331680 has 96 divisors (see below), whose sum is σ = 40569984. Its totient is φ = 3142656.

The previous prime is 12331679. The next prime is 12331723. The reversal of 12331680 is 8613321.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12331680.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10482 + ... + 11598.

It is an arithmetic number, because the mean of its divisors is an integer number (422604).

Almost surely, 2^12331680 is an apocalyptic number.

12331680 is a gapful number since it is divisible by the number (10) 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 12331680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20284992).

12331680 is an abundant number, since it is smaller than the sum of its proper divisors (28238304).

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

12331680 is a wasteful number, since it uses less digits than its factorization.

12331680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1150 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 12331680 is about 3511.6491852120. The cubic root of 12331680 is about 231.0330343866.

The spelling of 12331680 in words is "twelve million, three hundred thirty-one thousand, six hundred eighty".