13251266 has 24 divisors (see below), whose sum is σ = 24131520. Its totient is φ = 5431272.

The previous prime is 13251263. The next prime is 13251311. The reversal of 13251266 is 66215231.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13251263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 686 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 2^13251266 is an apocalyptic number.

13251266 is a deficient number, since it is larger than the sum of its proper divisors (10880254).

13251266 is a wasteful number, since it uses less digits than its factorization.

13251266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5918 (or 5911 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 13251266 is about 3640.2288389605. The cubic root of 13251266 is about 236.6387107978.

Adding to 13251266 its reverse (66215231), we get a palindrome (79466497).

The spelling of 13251266 in words is "thirteen million, two hundred fifty-one thousand, two hundred sixty-six".