12056616 has 96 divisors (see below), whose sum is σ = 38394720. Its totient is φ = 3369600.

The previous prime is 12056609. The next prime is 12056617. The reversal of 12056616 is 61665021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12056616.

It is not an unprimeable number, because it can be changed into a prime (12056617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9711 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (399945).

Almost surely, 2^12056616 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 12056616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19197360).

12056616 is an abundant number, since it is smaller than the sum of its proper divisors (26338104).

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

12056616 is a wasteful number, since it uses less digits than its factorization.

12056616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207 (or 1200 counting only the distinct ones).

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

The square root of 12056616 is about 3472.2638148620. The cubic root of 12056616 is about 229.3023345367.

The spelling of 12056616 in words is "twelve million, fifty-six thousand, six hundred sixteen".