13080256 has 84 divisors (see below), whose sum is σ = 31214568. Its totient is φ = 5419008.

The previous prime is 13080211. The next prime is 13080257. The reversal of 13080256 is 65208031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13080256.

It is not an unprimeable number, because it can be changed into a prime (13080257) 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, 134800 + ... + 134896.

It is an arithmetic number, because the mean of its divisors is an integer number (371602).

Almost surely, 2^13080256 is an apocalyptic number.

13080256 is a gapful number since it is divisible by the number (16) 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 13080256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15607284).

13080256 is an abundant number, since it is smaller than the sum of its proper divisors (18134312).

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

13080256 is an equidigital number, since it uses as much as digits as its factorization.

13080256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13080256 is about 3616.6636559127. The cubic root of 13080256 is about 235.6163449506.

Adding to 13080256 its reverse (65208031), we get a palindrome (78288287).

It can be divided in two parts, 1308025 and 6, that added together give a palindrome (1308031).

The spelling of 13080256 in words is "thirteen million, eighty thousand, two hundred fifty-six".