11729171 has 2 divisors, whose sum is σ = 11729172. Its totient is φ = 11729170.

The previous prime is 11729147. The next prime is 11729173. The reversal of 11729171 is 17192711.

11729171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (17192711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11729171 - 2¹⁴ = 11712787 is a prime.

Together with 11729173, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11729173) 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 as a sum of consecutive naturals, namely, 5864585 + 5864586.

It is an arithmetic number, because the mean of its divisors is an integer number (5864586).

Almost surely, 2^11729171 is an apocalyptic number.

11729171 is a deficient number, since it is larger than the sum of its proper divisors (1).

11729171 is an equidigital number, since it uses as much as digits as its factorization.

11729171 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 882, while the sum is 29.

The square root of 11729171 is about 3424.7877306484. The cubic root of 11729171 is about 227.2073829161.

The spelling of 11729171 in words is "eleven million, seven hundred twenty-nine thousand, one hundred seventy-one".