11711873 has 4 divisors (see below), whose sum is σ = 11722500. Its totient is φ = 11701248.

The previous prime is 11711851. The next prime is 11711879. The reversal of 11711873 is 37811711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 8862529 = 1688^2 + 2977^2 .

It is a cyclic number.

It is not a de Polignac number, because 11711873 - 2⁸ = 11711617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11711879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3440 + ... + 5937.

It is an arithmetic number, because the mean of its divisors is an integer number (2930625).

Almost surely, 2^11711873 is an apocalyptic number.

It is an amenable number.

11711873 is a deficient number, since it is larger than the sum of its proper divisors (10627).

11711873 is an equidigital number, since it uses as much as digits as its factorization.

11711873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10626.

The product of its digits is 1176, while the sum is 29.

The square root of 11711873 is about 3422.2613868610. The cubic root of 11711873 is about 227.0956339847.

The spelling of 11711873 in words is "eleven million, seven hundred eleven thousand, eight hundred seventy-three".