13232856 has 128 divisors (see below), whose sum is σ = 41771520. Its totient is φ = 3400704.

The previous prime is 13232801. The next prime is 13232867. The reversal of 13232856 is 65823231.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 159391 + ... + 159473.

It is an arithmetic number, because the mean of its divisors is an integer number (326340).

Almost surely, 2^13232856 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 13232856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20885760).

13232856 is an abundant number, since it is smaller than the sum of its proper divisors (28538664).

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

13232856 is a wasteful number, since it uses less digits than its factorization.

13232856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185 (or 181 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 13232856 is about 3637.6992728921. The cubic root of 13232856 is about 236.5290725255.

The spelling of 13232856 in words is "thirteen million, two hundred thirty-two thousand, eight hundred fifty-six".