12246656 has 32 divisors (see below), whose sum is σ = 24560580. Its totient is φ = 6082560.

The previous prime is 12246653. The next prime is 12246677. The reversal of 12246656 is 65664221.

12246656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 11669056 + 577600 = 3416^2 + 760^2 .

It is a tau number, because it is divible by the number of its divisors (32).

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

Its product of digits (17280) is a multiple of the sum of its prime divisors (640).

It is not an unprimeable number, because it can be changed into a prime (12246653) 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, 30650 + ... + 31046.

Almost surely, 2^12246656 is an apocalyptic number.

12246656 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 12246656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12280290).

12246656 is an abundant number, since it is smaller than the sum of its proper divisors (12313924).

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

12246656 is an equidigital number, since it uses as much as digits as its factorization.

12246656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652 (or 640 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 12246656 is about 3499.5222531083. The cubic root of 12246656 is about 230.5008367770.

The spelling of 12246656 in words is "twelve million, two hundred forty-six thousand, six hundred fifty-six".