11903171 has 8 divisors (see below), whose sum is σ = 13628160. Its totient is φ = 10184328.

The previous prime is 11903149. The next prime is 11903189. The reversal of 11903171 is 17130911.

11903171 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 de Polignac number, because none of the positive numbers 2^k-11903171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11903471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3920 + ... + 6258.

It is an arithmetic number, because the mean of its divisors is an integer number (1703520).

Almost surely, 2^11903171 is an apocalyptic number.

11903171 is a deficient number, since it is larger than the sum of its proper divisors (1724989).

11903171 is an equidigital number, since it uses as much as digits as its factorization.

11903171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 11903171 is about 3450.0972450063. The cubic root of 11903171 is about 228.3253984609.

The spelling of 11903171 in words is "eleven million, nine hundred three thousand, one hundred seventy-one".