12885171 has 8 divisors (see below), whose sum is σ = 18501840. Its totient is φ = 7929312.

The previous prime is 12885149. The next prime is 12885203. The reversal of 12885171 is 17158821.

12885171 is digitally balanced in base 2, 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 not a de Polignac number, because 12885171 - 2⁶ = 12885107 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 not an unprimeable number, because it can be changed into a prime (12885121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165156 + ... + 165233.

It is an arithmetic number, because the mean of its divisors is an integer number (2312730).

Almost surely, 2^12885171 is an apocalyptic number.

12885171 is a deficient number, since it is larger than the sum of its proper divisors (5616669).

12885171 is a wasteful number, since it uses less digits than its factorization.

12885171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330405.

The product of its digits is 4480, while the sum is 33.

The square root of 12885171 is about 3589.5920381013. The cubic root of 12885171 is about 234.4391090048.

The spelling of 12885171 in words is "twelve million, eight hundred eighty-five thousand, one hundred seventy-one".