13131255 has 8 divisors (see below), whose sum is σ = 21010032. Its totient is φ = 7003328.

The previous prime is 13131241. The next prime is 13131257. The reversal of 13131255 is 55213131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13131255 - 2⁷ = 13131127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 437694 + ... + 437723.

It is an arithmetic number, because the mean of its divisors is an integer number (2626254).

Almost surely, 2^13131255 is an apocalyptic number.

13131255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13131255 is a deficient number, since it is larger than the sum of its proper divisors (7878777).

13131255 is an equidigital number, since it uses as much as digits as its factorization.

13131255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875425.

The product of its digits is 450, while the sum is 21.

The square root of 13131255 is about 3623.7073557339. The cubic root of 13131255 is about 235.9221650340.

Adding to 13131255 its reverse (55213131), we get a palindrome (68344386).

The spelling of 13131255 in words is "thirteen million, one hundred thirty-one thousand, two hundred fifty-five".