13118265 has 48 divisors (see below), whose sum is σ = 24398400. Its totient is φ = 6500736.

The previous prime is 13118263. The next prime is 13118267. The reversal of 13118265 is 56281131.

It is an interprime number because it is at equal distance from previous prime (13118263) and next prime (13118267).

It is not a de Polignac number, because 13118265 - 2¹ = 13118263 is a prime.

It is a super-2 number, since 2×13118265² = 344177753220450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13118263) 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 47 ways as a sum of consecutive naturals, for example, 57171 + ... + 57399.

It is an arithmetic number, because the mean of its divisors is an integer number (508300).

Almost surely, 2^13118265 is an apocalyptic number.

13118265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13118265 is a deficient number, since it is larger than the sum of its proper divisors (11280135).

13118265 is a wasteful number, since it uses less digits than its factorization.

13118265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 323 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 13118265 is about 3621.9145489644. The cubic root of 13118265 is about 235.8443445964.

Adding to 13118265 its reverse (56281131), we get a palindrome (69399396).

The spelling of 13118265 in words is "thirteen million, one hundred eighteen thousand, two hundred sixty-five".