13115 has 8 divisors (see below), whose sum is σ = 16368. Its totient is φ = 10080.

The previous prime is 13109. The next prime is 13121. The reversal of 13115 is 51131.

It is an interprime number because it is at equal distance from previous prime (13109) and next prime (13121).

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

It is not a de Polignac number, because 13115 - 2⁴ = 13099 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 13096 and 13105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185 + ... + 245.

It is an arithmetic number, because the mean of its divisors is an integer number (2046).

13115 is a deficient number, since it is larger than the sum of its proper divisors (3253).

13115 is an equidigital number, since it uses as much as digits as its factorization.

13115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109.

The product of its digits is 15, while the sum is 11.

The square root of 13115 is about 114.5207404796. The cubic root of 13115 is about 23.5824776570.

Adding to 13115 its reverse (51131), we get a palindrome (64246).

It can be divided in two parts, 1311 and 5, that multiplied together give a triangular number (6555 = T₁₁₄).

The spelling of 13115 in words is "thirteen thousand, one hundred fifteen".