13555256 has 96 divisors (see below), whose sum is σ = 32492880. Its totient is φ = 5222400.

The previous prime is 13555247. The next prime is 13555259. The reversal of 13555256 is 65255531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555259) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 330596 + ... + 330636.

Almost surely, 2^13555256 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 13555256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16246440).

13555256 is an abundant number, since it is smaller than the sum of its proper divisors (18937624).

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

13555256 is a wasteful number, since it uses less digits than its factorization.

13555256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105 (or 84 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 13555256 is about 3681.7463247758. The cubic root of 13555256 is about 238.4345801377.

It can be divided in two parts, 1355525 and 6, that added together give a palindrome (1355531).

The spelling of 13555256 in words is "thirteen million, five hundred fifty-five thousand, two hundred fifty-six".