11691773 has 2 divisors, whose sum is σ = 11691774. Its totient is φ = 11691772.

The previous prime is 11691769. The next prime is 11691781. The reversal of 11691773 is 37719611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9012004 + 2679769 = 3002^2 + 1637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11691773 - 2² = 11691769 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11691703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5845886 + 5845887.

It is an arithmetic number, because the mean of its divisors is an integer number (5845887).

Almost surely, 2^11691773 is an apocalyptic number.

It is an amenable number.

11691773 is a deficient number, since it is larger than the sum of its proper divisors (1).

11691773 is an equidigital number, since it uses as much as digits as its factorization.

11691773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7938, while the sum is 35.

The square root of 11691773 is about 3419.3234710978. The cubic root of 11691773 is about 226.9656452114.

The spelling of 11691773 in words is "eleven million, six hundred ninety-one thousand, seven hundred seventy-three".