12266 has 4 divisors (see below), whose sum is σ = 18402. Its totient is φ = 6132.

The previous prime is 12263. The next prime is 12269. The reversal of 12266 is 66221.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12263) and next prime (12269).

It can be written as a sum of positive squares in only one way, i.e., 7225 + 5041 = 85^2 + 71^2 .

It is a Curzon number.

It is a plaindrome in base 10 and base 13.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12266.

It is not an unprimeable number, because it can be changed into a prime (12263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065 + ... + 3068.

2¹²²⁶⁶ is an apocalyptic number.

12266 is a deficient number, since it is larger than the sum of its proper divisors (6136).

12266 is an equidigital number, since it uses as much as digits as its factorization.

12266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135.

The product of its digits is 144, while the sum is 17.

The square root of 12266 is about 110.7519751517. The cubic root of 12266 is about 23.0622134178.

Adding to 12266 its reverse (66221), we get a palindrome (78487).

The spelling of 12266 in words is "twelve thousand, two hundred sixty-six".