13315255 has 4 divisors (see below), whose sum is σ = 15978312. Its totient is φ = 10652200.

The previous prime is 13315249. The next prime is 13315259. The reversal of 13315255 is 55251331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55251331 = 31 ⋅1782301.

It is not a de Polignac number, because 13315255 - 2⁵ = 13315223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13315259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331521 + ... + 1331530.

It is an arithmetic number, because the mean of its divisors is an integer number (3994578).

Almost surely, 2^13315255 is an apocalyptic number.

13315255 is a deficient number, since it is larger than the sum of its proper divisors (2663057).

13315255 is an equidigital number, since it uses as much as digits as its factorization.

13315255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663056.

The product of its digits is 2250, while the sum is 25.

The square root of 13315255 is about 3649.0073992800. The cubic root of 13315255 is about 237.0190006546.

Adding to 13315255 its reverse (55251331), we get a palindrome (68566586).

The spelling of 13315255 in words is "thirteen million, three hundred fifteen thousand, two hundred fifty-five".