13255872 has 84 divisors (see below), whose sum is σ = 40827960. Its totient is φ = 3784704.

The previous prime is 13255861. The next prime is 13255873. The reversal of 13255872 is 27855231.

It is a tau number, because it is divible by the number of its divisors (84).

It is not an unprimeable number, because it can be changed into a prime (13255873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8704 + ... + 10112.

Almost surely, 2^13255872 is an apocalyptic number.

13255872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13255872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20413980).

13255872 is an abundant number, since it is smaller than the sum of its proper divisors (27572088).

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

13255872 is a wasteful number, since it uses less digits than its factorization.

13255872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1421 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 13255872 is about 3640.8614365284. The cubic root of 13255872 is about 236.6661253266. Note that the first 3 decimals are identical.

The spelling of 13255872 in words is "thirteen million, two hundred fifty-five thousand, eight hundred seventy-two".