11638171 has 8 divisors (see below), whose sum is σ = 11897424. Its totient is φ = 11381760.

The previous prime is 11638139. The next prime is 11638181. The reversal of 11638171 is 17183611.

11638171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11638171 - 2⁵ = 11638139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11638181) 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, 8955 + ... + 10171.

It is an arithmetic number, because the mean of its divisors is an integer number (1487178).

Almost surely, 2^11638171 is an apocalyptic number.

11638171 is a deficient number, since it is larger than the sum of its proper divisors (259253).

11638171 is a wasteful number, since it uses less digits than its factorization.

11638171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its digits is 1008, while the sum is 28.

The square root of 11638171 is about 3411.4763666190. The cubic root of 11638171 is about 226.6182655689.

The spelling of 11638171 in words is "eleven million, six hundred thirty-eight thousand, one hundred seventy-one".