12280087 has 2 divisors, whose sum is σ = 12280088. Its totient is φ = 12280086.

The previous prime is 12280067. The next prime is 12280097. The reversal of 12280087 is 78008221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12280087 - 2⁷ = 12279959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12280007) 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 as a sum of consecutive naturals, namely, 6140043 + 6140044.

It is an arithmetic number, because the mean of its divisors is an integer number (6140044).

Almost surely, 2^12280087 is an apocalyptic number.

12280087 is a deficient number, since it is larger than the sum of its proper divisors (1).

12280087 is an equidigital number, since it uses as much as digits as its factorization.

12280087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1792, while the sum is 28.

The square root of 12280087 is about 3504.2955069457. The cubic root of 12280087 is about 230.7103871022.

The spelling of 12280087 in words is "twelve million, two hundred eighty thousand, eighty-seven".