12055836 has 48 divisors (see below), whose sum is σ = 30615200. Its totient is φ = 3670272.

The previous prime is 12055811. The next prime is 12055837. The reversal of 12055836 is 63855021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12055837) 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, 16650 + ... + 17358.

Almost surely, 2^12055836 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 12055836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15307600).

12055836 is an abundant number, since it is smaller than the sum of its proper divisors (18559364).

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

12055836 is a wasteful number, since it uses less digits than its factorization.

12055836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12055836 is about 3472.1514943908. The cubic root of 12055836 is about 229.2973895428.

The spelling of 12055836 in words is "twelve million, fifty-five thousand, eight hundred thirty-six".