12132266 has 12 divisors (see below), whose sum is σ = 18850182. Its totient is φ = 5856144.

The previous prime is 12132259. The next prime is 12132277. The reversal of 12132266 is 66223121.

It can be written as a sum of positive squares in 3 ways, for example, as 11703241 + 429025 = 3421^2 + 655^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1925 + ... + 5288.

Almost surely, 2^12132266 is an apocalyptic number.

12132266 is a deficient number, since it is larger than the sum of its proper divisors (6717916).

12132266 is an equidigital number, since it uses as much as digits as its factorization.

12132266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7273 (or 7244 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 12132266 is about 3483.1402498320. The cubic root of 12132266 is about 229.7809256140.

Adding to 12132266 its reverse (66223121), we get a palindrome (78355387).

The spelling of 12132266 in words is "twelve million, one hundred thirty-two thousand, two hundred sixty-six".