12267587 has 2 divisors, whose sum is σ = 12267588. Its totient is φ = 12267586.

The previous prime is 12267581. The next prime is 12267641. The reversal of 12267587 is 78576221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12267587 - 2²⁰ = 11219011 is a prime.

It is a super-3 number, since 3×12267587³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12267587.

It is not a weakly prime, because it can be changed into another prime (12267581) 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, 6133793 + 6133794.

It is an arithmetic number, because the mean of its divisors is an integer number (6133794).

Almost surely, 2^12267587 is an apocalyptic number.

12267587 is a deficient number, since it is larger than the sum of its proper divisors (1).

12267587 is an equidigital number, since it uses as much as digits as its factorization.

12267587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 47040, while the sum is 38.

The square root of 12267587 is about 3502.5115274614. The cubic root of 12267587 is about 230.6320798692.

The spelling of 12267587 in words is "twelve million, two hundred sixty-seven thousand, five hundred eighty-seven".