12107266 has 4 divisors (see below), whose sum is σ = 18160902. Its totient is φ = 6053632.

The previous prime is 12107261. The next prime is 12107279. The reversal of 12107266 is 66270121.

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

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 3316041 = 2965^2 + 1821^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12107266.

It is not an unprimeable number, because it can be changed into a prime (12107261) 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 as a sum of consecutive naturals, namely, 3026815 + ... + 3026818.

Almost surely, 2^12107266 is an apocalyptic number.

12107266 is a deficient number, since it is larger than the sum of its proper divisors (6053636).

12107266 is an equidigital number, since it uses as much as digits as its factorization.

12107266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6053635.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12107266 is about 3479.5496835079. The cubic root of 12107266 is about 229.6229866265.

Adding to 12107266 its reverse (66270121), we get a palindrome (78377387).

The spelling of 12107266 in words is "twelve million, one hundred seven thousand, two hundred sixty-six".