11806841 has 4 divisors (see below), whose sum is σ = 11885184. Its totient is φ = 11728500.

The previous prime is 11806819. The next prime is 11806849. The reversal of 11806841 is 14860811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11806841 - 2¹⁰ = 11805817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11806849) 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, 38945 + ... + 39246.

It is an arithmetic number, because the mean of its divisors is an integer number (2971296).

Almost surely, 2^11806841 is an apocalyptic number.

It is an amenable number.

11806841 is a deficient number, since it is larger than the sum of its proper divisors (78343).

11806841 is an equidigital number, since it uses as much as digits as its factorization.

11806841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78342.

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 11806841 is about 3436.1084092327. The cubic root of 11806841 is about 227.7077987069.

The spelling of 11806841 in words is "eleven million, eight hundred six thousand, eight hundred forty-one".