13188256 has 12 divisors (see below), whose sum is σ = 25964442. Its totient is φ = 6594112.

The previous prime is 13188251. The next prime is 13188271. The reversal of 13188256 is 65288131.

It can be written as a sum of positive squares in only one way, i.e., 10890000 + 2298256 = 3300^2 + 1516^2 .

It is not an unprimeable number, because it can be changed into a prime (13188251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206035 + ... + 206098.

Almost surely, 2^13188256 is an apocalyptic number.

13188256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13188256 is a deficient number, since it is larger than the sum of its proper divisors (12776186).

13188256 is an equidigital number, since it uses as much as digits as its factorization.

13188256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412143 (or 412135 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 13188256 is about 3631.5638504644. The cubic root of 13188256 is about 236.2630410016.

The spelling of 13188256 in words is "thirteen million, one hundred eighty-eight thousand, two hundred fifty-six".