11165697 has 12 divisors (see below), whose sum is σ = 16157284. Its totient is φ = 7430400.

The previous prime is 11165689. The next prime is 11165723. The reversal of 11165697 is 79656111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 6395841 = 2184^2 + 2529^2 .

It is not a de Polignac number, because 11165697 - 2³ = 11165689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11165657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8697 + ... + 9897.

It is a Proth number, since it is equal to 1363 ⋅ 2¹³ + 1 and 1363 < 2¹³.

Almost surely, 2^11165697 is an apocalyptic number.

It is an amenable number.

11165697 is a deficient number, since it is larger than the sum of its proper divisors (4991587).

11165697 is a wasteful number, since it uses less digits than its factorization.

11165697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240 (or 2237 counting only the distinct ones).

The product of its digits is 11340, while the sum is 36.

The square root of 11165697 is about 3341.5111850778. The cubic root of 11165697 is about 223.5091358517.

The spelling of 11165697 in words is "eleven million, one hundred sixty-five thousand, six hundred ninety-seven".