12231266 has 8 divisors (see below), whose sum is σ = 18373824. Its totient is φ = 6106660.

The previous prime is 12231259. The next prime is 12231283. The reversal of 12231266 is 66213221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2630 + ... + 5601.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^12231266 is an apocalyptic number.

12231266 is a deficient number, since it is larger than the sum of its proper divisors (6142558).

12231266 is an equidigital number, since it uses as much as digits as its factorization.

12231266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8976.

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

The square root of 12231266 is about 3497.3226902875. The cubic root of 12231266 is about 230.4042418401.

Adding to 12231266 its reverse (66213221), we get a palindrome (78444487).

The spelling of 12231266 in words is "twelve million, two hundred thirty-one thousand, two hundred sixty-six".