1368287 has 2 divisors, whose sum is σ = 1368288. Its totient is φ = 1368286.

The previous prime is 1368281. The next prime is 1368319. The reversal of 1368287 is 7828631.

It is a weak prime.

It is an emirp because it is prime and its reverse (7828631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1368287 - 2⁴ = 1368271 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684143 + 684144.

It is an arithmetic number, because the mean of its divisors is an integer number (684144).

2^1368287 is an apocalyptic number.

1368287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368287 is an equidigital number, since it uses as much as digits as its factorization.

1368287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 35.

The square root of 1368287 is about 1169.7380048541. The cubic root of 1368287 is about 111.0177446404.

The spelling of 1368287 in words is "one million, three hundred sixty-eight thousand, two hundred eighty-seven".