12056 has 16 divisors (see below), whose sum is σ = 24840. Its totient is φ = 5440.

The previous prime is 12049. The next prime is 12071. The reversal of 12056 is 65021.

12056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 12056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20 + ... + 156.

2¹²⁰⁵⁶ 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 12056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12420).

12056 is an abundant number, since it is smaller than the sum of its proper divisors (12784).

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

12056 is a wasteful number, since it uses less digits than its factorization.

12056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 12056 is about 109.7998178505. The cubic root of 12056 is about 22.9298429277.

Adding to 12056 its reverse (65021), we get a palindrome (77077).

The spelling of 12056 in words is "twelve thousand, fifty-six".