11863867 has 2 divisors, whose sum is σ = 11863868. Its totient is φ = 11863866.

The previous prime is 11863843. The next prime is 11863879. The reversal of 11863867 is 76836811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11863867 - 2¹¹ = 11861819 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11863067) 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, 5931933 + 5931934.

It is an arithmetic number, because the mean of its divisors is an integer number (5931934).

Almost surely, 2^11863867 is an apocalyptic number.

11863867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11863867 is an equidigital number, since it uses as much as digits as its factorization.

11863867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 11863867 is about 3444.3964638235. The cubic root of 11863867 is about 228.0738129227.

The spelling of 11863867 in words is "eleven million, eight hundred sixty-three thousand, eight hundred sixty-seven".