12042287 has 2 divisors, whose sum is σ = 12042288. Its totient is φ = 12042286.

The previous prime is 12042269. The next prime is 12042301. The reversal of 12042287 is 78224021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12042287 - 2¹⁴ = 12025903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042587) 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, 6021143 + 6021144.

It is an arithmetic number, because the mean of its divisors is an integer number (6021144).

Almost surely, 2^12042287 is an apocalyptic number.

12042287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042287 is an equidigital number, since it uses as much as digits as its factorization.

12042287 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 26.

The square root of 12042287 is about 3470.1998501527. The cubic root of 12042287 is about 229.2114584109.

The spelling of 12042287 in words is "twelve million, forty-two thousand, two hundred eighty-seven".