12099287 has 2 divisors, whose sum is σ = 12099288. Its totient is φ = 12099286.

The previous prime is 12099281. The next prime is 12099299. The reversal of 12099287 is 78299021.

It is a weak prime.

It is an emirp because it is prime and its reverse (78299021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12099287 - 2⁴ = 12099271 is a prime.

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 12099287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12099281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049643 + 6049644.

It is an arithmetic number, because the mean of its divisors is an integer number (6049644).

Almost surely, 2^12099287 is an apocalyptic number.

12099287 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099287 is an equidigital number, since it uses as much as digits as its factorization.

12099287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 12099287 is about 3478.4029381312. The cubic root of 12099287 is about 229.5725330548.

The spelling of 12099287 in words is "twelve million, ninety-nine thousand, two hundred eighty-seven".