11173867 has 4 divisors (see below), whose sum is σ = 11199760. Its totient is φ = 11147976.

The previous prime is 11173859. The next prime is 11173873. The reversal of 11173867 is 76837111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76837111 = 13 ⋅5910547.

It is a cyclic number.

It is not a de Polignac number, because 11173867 - 2³ = 11173859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11173807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12288 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (2799940).

Almost surely, 2^11173867 is an apocalyptic number.

11173867 is a deficient number, since it is larger than the sum of its proper divisors (25893).

11173867 is an equidigital number, since it uses as much as digits as its factorization.

11173867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25892.

The product of its digits is 7056, while the sum is 34.

The square root of 11173867 is about 3342.7334623030. The cubic root of 11173867 is about 223.5636368362.

The spelling of 11173867 in words is "eleven million, one hundred seventy-three thousand, eight hundred sixty-seven".