12267663 has 4 divisors (see below), whose sum is σ = 16356888. Its totient is φ = 8178440.

The previous prime is 12267641. The next prime is 12267677. The reversal of 12267663 is 36676221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36676221 = 3 ⋅12225407.

It is a cyclic number.

It is not a de Polignac number, because 12267663 - 2¹² = 12263567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12267263) 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 3 ways as a sum of consecutive naturals, for example, 2044608 + ... + 2044613.

It is an arithmetic number, because the mean of its divisors is an integer number (4089222).

Almost surely, 2^12267663 is an apocalyptic number.

12267663 is a deficient number, since it is larger than the sum of its proper divisors (4089225).

12267663 is an equidigital number, since it uses as much as digits as its factorization.

12267663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4089224.

The product of its digits is 18144, while the sum is 33.

The square root of 12267663 is about 3502.5223768022. The cubic root of 12267663 is about 230.6325561379.

The spelling of 12267663 in words is "twelve million, two hundred sixty-seven thousand, six hundred sixty-three".