12016056 has 64 divisors (see below), whose sum is σ = 34070400. Its totient is φ = 3500928.

The previous prime is 12016033. The next prime is 12016057. The reversal of 12016056 is 65061021.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4915 + ... + 6941.

It is an arithmetic number, because the mean of its divisors is an integer number (532350).

Almost surely, 2^12016056 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 12016056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17035200).

12016056 is an abundant number, since it is smaller than the sum of its proper divisors (22054344).

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

12016056 is a wasteful number, since it uses less digits than its factorization.

12016056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068 (or 2064 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12016056 is about 3466.4183244381. The cubic root of 12016056 is about 229.0449115145.

Adding to 12016056 its reverse (65061021), we get a palindrome (77077077).

The spelling of 12016056 in words is "twelve million, sixteen thousand, fifty-six".