13191255 has 112 divisors (see below), whose sum is σ = 30219264. Its totient is φ = 5365440.

The previous prime is 13191251. The next prime is 13191271. The reversal of 13191255 is 55219131.

It is not a de Polignac number, because 13191255 - 2² = 13191251 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13191251) 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 111 ways as a sum of consecutive naturals, for example, 280642 + ... + 280688.

Almost surely, 2^13191255 is an apocalyptic number.

13191255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13191255 is an abundant number, since it is smaller than the sum of its proper divisors (17028009).

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

13191255 is an equidigital number, since it uses as much as digits as its factorization.

13191255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 73 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 13191255 is about 3631.9767345070. The cubic root of 13191255 is about 236.2809483266.

The spelling of 13191255 in words is "thirteen million, one hundred ninety-one thousand, two hundred fifty-five".