11516917 has 4 divisors (see below), whose sum is σ = 11529100. Its totient is φ = 11504736.

The previous prime is 11516909. The next prime is 11516933. The reversal of 11516917 is 71961511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7986276 + 3530641 = 2826^2 + 1879^2 .

It is a cyclic number.

It is not a de Polignac number, because 11516917 - 2³ = 11516909 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 (11516017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4542 + ... + 6607.

It is an arithmetic number, because the mean of its divisors is an integer number (2882275).

Almost surely, 2^11516917 is an apocalyptic number.

It is an amenable number.

11516917 is a deficient number, since it is larger than the sum of its proper divisors (12183).

11516917 is a wasteful number, since it uses less digits than its factorization.

11516917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12182.

The product of its digits is 1890, while the sum is 31.

The square root of 11516917 is about 3393.6583505120. The cubic root of 11516917 is about 225.8284978139.

The spelling of 11516917 in words is "eleven million, five hundred sixteen thousand, nine hundred seventeen".