12332556 has 36 divisors (see below), whose sum is σ = 31645432. Its totient is φ = 4048704.

The previous prime is 12332549. The next prime is 12332557. The reversal of 12332556 is 65523321.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (12332557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145 + ... + 4968.

Almost surely, 2^12332556 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 12332556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15822716).

12332556 is an abundant number, since it is smaller than the sum of its proper divisors (19312876).

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

12332556 is a wasteful number, since it uses less digits than its factorization.

12332556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5190 (or 5185 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 12332556 is about 3511.7739107181. The cubic root of 12332556 is about 231.0385048536.

Adding to 12332556 its reverse (65523321), we get a palindrome (77855877).

The spelling of 12332556 in words is "twelve million, three hundred thirty-two thousand, five hundred fifty-six".