11612171 has 4 divisors (see below), whose sum is σ = 12117072. Its totient is φ = 11107272.

The previous prime is 11612147. The next prime is 11612201. The reversal of 11612171 is 17121611.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11612171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11612101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252416 + ... + 252461.

It is an arithmetic number, because the mean of its divisors is an integer number (3029268).

Almost surely, 2^11612171 is an apocalyptic number.

11612171 is a deficient number, since it is larger than the sum of its proper divisors (504901).

11612171 is an equidigital number, since it uses as much as digits as its factorization.

11612171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504900.

The product of its digits is 84, while the sum is 20.

The square root of 11612171 is about 3407.6635690749. The cubic root of 11612171 is about 226.4493825590.

Adding to 11612171 its reverse (17121611), we get a palindrome (28733782).

The spelling of 11612171 in words is "eleven million, six hundred twelve thousand, one hundred seventy-one".