11845117 has 4 divisors (see below), whose sum is σ = 11856960. Its totient is φ = 11833276.

The previous prime is 11845063. The next prime is 11845123. The reversal of 11845117 is 71154811.

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-11845117 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 (11845517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4267 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (2964240).

Almost surely, 2^11845117 is an apocalyptic number.

It is an amenable number.

11845117 is a deficient number, since it is larger than the sum of its proper divisors (11843).

11845117 is a wasteful number, since it uses less digits than its factorization.

11845117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842.

The product of its digits is 1120, while the sum is 28.

The square root of 11845117 is about 3441.6735754571. The cubic root of 11845117 is about 227.9535980773.

Adding to 11845117 its reverse (71154811), we get a palindrome (82999928).

The spelling of 11845117 in words is "eleven million, eight hundred forty-five thousand, one hundred seventeen".