11693917 has 4 divisors (see below), whose sum is σ = 11701116. Its totient is φ = 11686720.

The previous prime is 11693879. The next prime is 11693933. The reversal of 11693917 is 71939611.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71939611 = 797 ⋅90263.

It can be written as a sum of positive squares in 2 ways, for example, as 6095961 + 5597956 = 2469^2 + 2366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11693917 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 (11693317) 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, 117 + ... + 4837.

It is an arithmetic number, because the mean of its divisors is an integer number (2925279).

Almost surely, 2^11693917 is an apocalyptic number.

It is an amenable number.

11693917 is a deficient number, since it is larger than the sum of its proper divisors (7199).

11693917 is an equidigital number, since it uses as much as digits as its factorization.

11693917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7198.

The product of its digits is 10206, while the sum is 37.

The square root of 11693917 is about 3419.6369690363. The cubic root of 11693917 is about 226.9795177752.

The spelling of 11693917 in words is "eleven million, six hundred ninety-three thousand, nine hundred seventeen".