12656016 has 60 divisors (see below), whose sum is σ = 35689680. Its totient is φ = 4186560.

The previous prime is 12656011. The next prime is 12656023. The reversal of 12656016 is 61065621.

It is a happy number.

12656016 is a `hidden beast` number, since 1 + 2 + 656 + 0 + 1 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (12656011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25531 + ... + 26021.

It is an arithmetic number, because the mean of its divisors is an integer number (594828).

Almost surely, 2^12656016 is an apocalyptic number.

12656016 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 12656016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17844840).

12656016 is an abundant number, since it is smaller than the sum of its proper divisors (23033664).

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

12656016 is a wasteful number, since it uses less digits than its factorization.

12656016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12656016 is about 3557.5294798497. The cubic root of 12656016 is about 233.0410017058.

The spelling of 12656016 in words is "twelve million, six hundred fifty-six thousand, sixteen".