12946171 has 16 divisors (see below), whose sum is σ = 15556608. Its totient is φ = 10533600.

The previous prime is 12946169. The next prime is 12946177. The reversal of 12946171 is 17164921.

12946171 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12946171 - 2¹ = 12946169 is a prime.

It is a super-2 number, since 2×12946171² = 335206687122482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12946177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30541 + ... + 30961.

It is an arithmetic number, because the mean of its divisors is an integer number (972288).

Almost surely, 2^12946171 is an apocalyptic number.

12946171 is a deficient number, since it is larger than the sum of its proper divisors (2610437).

12946171 is a wasteful number, since it uses less digits than its factorization.

12946171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642.

The product of its digits is 3024, while the sum is 31.

The square root of 12946171 is about 3598.0787929116. The cubic root of 12946171 is about 234.8084813524.

The spelling of 12946171 in words is "twelve million, nine hundred forty-six thousand, one hundred seventy-one".