1368487 has 2 divisors, whose sum is σ = 1368488. Its totient is φ = 1368486.

The previous prime is 1368473. The next prime is 1368491. The reversal of 1368487 is 7848631.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1368487 - 2¹⁹ = 844199 is a prime.

1368487 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368467) 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, 684243 + 684244.

It is an arithmetic number, because the mean of its divisors is an integer number (684244).

2^1368487 is an apocalyptic number.

1368487 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368487 is an equidigital number, since it uses as much as digits as its factorization.

1368487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 1368487 is about 1169.8234909592. The cubic root of 1368487 is about 111.0231534635.

The spelling of 1368487 in words is "one million, three hundred sixty-eight thousand, four hundred eighty-seven".