12326656 has 36 divisors (see below), whose sum is σ = 24834600. Its totient is φ = 6106112.

The previous prime is 12326651. The next prime is 12326669. The reversal of 12326656 is 65662321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12326651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45690 + ... + 45958.

It is an arithmetic number, because the mean of its divisors is an integer number (689850).

Almost surely, 2^12326656 is an apocalyptic number.

12326656 is a gapful number since it is divisible by the number (16) 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 12326656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12417300).

12326656 is an abundant number, since it is smaller than the sum of its proper divisors (12507944).

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

12326656 is an equidigital number, since it uses as much as digits as its factorization.

12326656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464 (or 450 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 12326656 is about 3510.9337789255. The cubic root of 12326656 is about 231.0016553794.

Adding to 12326656 its reverse (65662321), we get a palindrome (77988977).

The spelling of 12326656 in words is "twelve million, three hundred twenty-six thousand, six hundred fifty-six".