12663227 has 8 divisors (see below), whose sum is σ = 13260240. Its totient is φ = 12076960.

The previous prime is 12663223. The next prime is 12663239. The reversal of 12663227 is 72236621.

12663227 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12663227 - 2² = 12663223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12663227.

It is not an unprimeable number, because it can be changed into a prime (12663223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224 + ... + 5037.

It is an arithmetic number, because the mean of its divisors is an integer number (1657530).

Almost surely, 2^12663227 is an apocalyptic number.

12663227 is a deficient number, since it is larger than the sum of its proper divisors (597013).

12663227 is an equidigital number, since it uses as much as digits as its factorization.

12663227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5373.

The product of its digits is 6048, while the sum is 29.

The square root of 12663227 is about 3558.5428197508. The cubic root of 12663227 is about 233.0852531144.

Adding to 12663227 its reverse (72236621), we get a palindrome (84899848).

The spelling of 12663227 in words is "twelve million, six hundred sixty-three thousand, two hundred twenty-seven".