11810017 has 4 divisors (see below), whose sum is σ = 12323520. Its totient is φ = 11296516.

The previous prime is 11810003. The next prime is 11810021. The reversal of 11810017 is 71001811.

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 a de Polignac number, because none of the positive numbers 2^k-11810017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11809976 and 11810003.

It is not an unprimeable number, because it can be changed into a prime (11813017) 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, 256717 + ... + 256762.

It is an arithmetic number, because the mean of its divisors is an integer number (3080880).

Almost surely, 2^11810017 is an apocalyptic number.

It is an amenable number.

11810017 is a deficient number, since it is larger than the sum of its proper divisors (513503).

11810017 is an equidigital number, since it uses as much as digits as its factorization.

11810017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513502.

The product of its (nonzero) digits is 56, while the sum is 19.

The square root of 11810017 is about 3436.5705288849. The cubic root of 11810017 is about 227.7282144171.

Adding to 11810017 its reverse (71001811), we get a palindrome (82811828).

The spelling of 11810017 in words is "eleven million, eight hundred ten thousand, seventeen".