1363867 has 2 divisors, whose sum is σ = 1363868. Its totient is φ = 1363866.

The previous prime is 1363847. The next prime is 1363883. The reversal of 1363867 is 7683631.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1363867 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363807) 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, 681933 + 681934.

It is an arithmetic number, because the mean of its divisors is an integer number (681934).

2^1363867 is an apocalyptic number.

1363867 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363867 is an equidigital number, since it uses as much as digits as its factorization.

1363867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 1363867 is about 1167.8471646581. The cubic root of 1363867 is about 110.8980748752.

The spelling of 1363867 in words is "one million, three hundred sixty-three thousand, eight hundred sixty-seven".