11659693 has 2 divisors, whose sum is σ = 11659694. Its totient is φ = 11659692.

The previous prime is 11659667. The next prime is 11659717. The reversal of 11659693 is 39695611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6985449 + 4674244 = 2643^2 + 2162^2 .

It is an emirp because it is prime and its reverse (39695611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11659693 - 2²¹ = 9562541 is a prime.

It is a nialpdrome in base 11.

It is a zygodrome in base 11.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11659793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5829846 + 5829847.

It is an arithmetic number, because the mean of its divisors is an integer number (5829847).

Almost surely, 2^11659693 is an apocalyptic number.

It is an amenable number.

11659693 is a deficient number, since it is larger than the sum of its proper divisors (1).

11659693 is an equidigital number, since it uses as much as digits as its factorization.

11659693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43740, while the sum is 40.

The square root of 11659693 is about 3414.6292624530. The cubic root of 11659693 is about 226.7578715530.

The spelling of 11659693 in words is "eleven million, six hundred fifty-nine thousand, six hundred ninety-three".