13251163 has 4 divisors (see below), whose sum is σ = 13258720. Its totient is φ = 13243608.

The previous prime is 13251157. The next prime is 13251169. The reversal of 13251163 is 36115231.

It is a happy number.

13251163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36115231 = 433 ⋅83407.

It is an interprime number because it is at equal distance from previous prime (13251157) and next prime (13251169).

It is a cyclic number.

It is not a de Polignac number, because 13251163 - 2⁵ = 13251131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13251169) 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, 373 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (3314680).

Almost surely, 2^13251163 is an apocalyptic number.

13251163 is a deficient number, since it is larger than the sum of its proper divisors (7557).

13251163 is an equidigital number, since it uses as much as digits as its factorization.

13251163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7556.

The product of its digits is 540, while the sum is 22.

The square root of 13251163 is about 3640.2146914708. The cubic root of 13251163 is about 236.6380976778.

Adding to 13251163 its reverse (36115231), we get a palindrome (49366394).

The spelling of 13251163 in words is "thirteen million, two hundred fifty-one thousand, one hundred sixty-three".