12322688 has 64 divisors (see below), whose sum is σ = 29743200. Its totient is φ = 4964352.

The previous prime is 12322649. The next prime is 12322691. The reversal of 12322688 is 88622321.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14828 + ... + 15636.

Almost surely, 2^12322688 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 12322688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14871600).

12322688 is an abundant number, since it is smaller than the sum of its proper divisors (17420512).

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

12322688 is an equidigital number, since it uses as much as digits as its factorization.

12322688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 835 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 12322688 is about 3510.3686416102. The cubic root of 12322688 is about 230.9768659329.

The spelling of 12322688 in words is "twelve million, three hundred twenty-two thousand, six hundred eighty-eight".