11810893 has 4 divisors (see below), whose sum is σ = 11817820. Its totient is φ = 11803968.

The previous prime is 11810879. The next prime is 11810947. The reversal of 11810893 is 39801811.

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 9320809 + 2490084 = 3053^2 + 1578^2 .

It is a cyclic number.

It is not a de Polignac number, because 11810893 - 2¹³ = 11802701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11810803) 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, 1093 + ... + 4981.

It is an arithmetic number, because the mean of its divisors is an integer number (2954455).

Almost surely, 2^11810893 is an apocalyptic number.

It is an amenable number.

11810893 is a deficient number, since it is larger than the sum of its proper divisors (6927).

11810893 is an equidigital number, since it uses as much as digits as its factorization.

11810893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 11810893 is about 3436.6979791655. The cubic root of 11810893 is about 227.7338448065.

It can be divided in two parts, 118 and 10893, that added together give a palindrome (11011).

The spelling of 11810893 in words is "eleven million, eight hundred ten thousand, eight hundred ninety-three".