11573867 has 2 divisors, whose sum is σ = 11573868. Its totient is φ = 11573866.

The previous prime is 11573857. The next prime is 11573909. The reversal of 11573867 is 76837511.

11573867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (76837511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11573867 - 2⁶ = 11573803 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11573867.

It is not a weakly prime, because it can be changed into another prime (11573857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786933 + 5786934.

It is an arithmetic number, because the mean of its divisors is an integer number (5786934).

Almost surely, 2^11573867 is an apocalyptic number.

11573867 is a deficient number, since it is larger than the sum of its proper divisors (1).

11573867 is an equidigital number, since it uses as much as digits as its factorization.

11573867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 38.

The square root of 11573867 is about 3402.0386535135. The cubic root of 11573867 is about 226.2001190363.

The spelling of 11573867 in words is "eleven million, five hundred seventy-three thousand, eight hundred sixty-seven".