11686867 has 2 divisors, whose sum is σ = 11686868. Its totient is φ = 11686866.

The previous prime is 11686859. The next prime is 11686901. The reversal of 11686867 is 76868611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11686867 - 2³ = 11686859 is a prime.

It is not a weakly prime, because it can be changed into another prime (11686267) 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, 5843433 + 5843434.

It is an arithmetic number, because the mean of its divisors is an integer number (5843434).

Almost surely, 2^11686867 is an apocalyptic number.

11686867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11686867 is an equidigital number, since it uses as much as digits as its factorization.

11686867 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 11686867 is about 3418.6060024519. The cubic root of 11686867 is about 226.9338949873.

The spelling of 11686867 in words is "eleven million, six hundred eighty-six thousand, eight hundred sixty-seven".