11791017 has 18 divisors (see below), whose sum is σ = 19812858. Its totient is φ = 6737472.

The previous prime is 11791009. The next prime is 11791037. The reversal of 11791017 is 71019711.

It can be written as a sum of positive squares in only one way, i.e., 10732176 + 1058841 = 3276^2 + 1029^2 .

It is not a de Polignac number, because 11791017 - 2³ = 11791009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11791007) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12928 + ... + 13809.

Almost surely, 2^11791017 is an apocalyptic number.

It is an amenable number.

11791017 is a deficient number, since it is larger than the sum of its proper divisors (8021841).

11791017 is a wasteful number, since it uses less digits than its factorization.

11791017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26757 (or 26747 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11791017 is about 3433.8050323220. The cubic root of 11791017 is about 227.6060255302.

The spelling of 11791017 in words is "eleven million, seven hundred ninety-one thousand, seventeen".