11836873 has 4 divisors (see below), whose sum is σ = 11857428. Its totient is φ = 11816320.

The previous prime is 11836859. The next prime is 11836919. The reversal of 11836873 is 37863811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9412624 + 2424249 = 3068^2 + 1557^2 .

It is a cyclic number.

It is not a de Polignac number, because 11836873 - 2²¹ = 9739721 is a prime.

It is a super-2 number, since 2×11836873² = 280223124836258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11836673) 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 in 3 ways as a sum of consecutive naturals, for example, 9388 + ... + 10573.

It is an arithmetic number, because the mean of its divisors is an integer number (2964357).

Almost surely, 2^11836873 is an apocalyptic number.

It is an amenable number.

11836873 is a deficient number, since it is larger than the sum of its proper divisors (20555).

11836873 is an equidigital number, since it uses as much as digits as its factorization.

11836873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20554.

The product of its digits is 24192, while the sum is 37.

The square root of 11836873 is about 3440.4756938540. The cubic root of 11836873 is about 227.9007018612.

The spelling of 11836873 in words is "eleven million, eight hundred thirty-six thousand, eight hundred seventy-three".