11617917 has 8 divisors (see below), whose sum is σ = 15508896. Its totient is φ = 7736112.

The previous prime is 11617913. The next prime is 11617933. The reversal of 11617917 is 71971611.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11617917 - 2² = 11617913 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11617913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1618 + ... + 5084.

It is an arithmetic number, because the mean of its divisors is an integer number (1938612).

Almost surely, 2^11617917 is an apocalyptic number.

It is an amenable number.

11617917 is a deficient number, since it is larger than the sum of its proper divisors (3890979).

11617917 is a wasteful number, since it uses less digits than its factorization.

11617917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4587.

The product of its digits is 2646, while the sum is 33.

The square root of 11617917 is about 3408.5065644649. The cubic root of 11617917 is about 226.4867273872.

The spelling of 11617917 in words is "eleven million, six hundred seventeen thousand, nine hundred seventeen".