11820717 has 12 divisors (see below), whose sum is σ = 17973280. Its totient is φ = 7465608.

The previous prime is 11820707. The next prime is 11820727. The reversal of 11820717 is 71702811.

It is an interprime number because it is at equal distance from previous prime (11820707) and next prime (11820727).

It is not a de Polignac number, because 11820717 - 2¹⁰ = 11819693 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 (11820707) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34393 + ... + 34734.

Almost surely, 2^11820717 is an apocalyptic number.

It is an amenable number.

11820717 is a deficient number, since it is larger than the sum of its proper divisors (6152563).

11820717 is a wasteful number, since it uses less digits than its factorization.

11820717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69152 (or 69149 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 11820717 is about 3438.1269610065. The cubic root of 11820717 is about 227.7969683789.

The spelling of 11820717 in words is "eleven million, eight hundred twenty thousand, seven hundred seventeen".