13428171 has 6 divisors (see below), whose sum is σ = 19396260. Its totient is φ = 8952108.

The previous prime is 13428157. The next prime is 13428187. The reversal of 13428171 is 17182431.

It is not a de Polignac number, because 13428171 - 2⁵ = 13428139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13428101) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 746001 + ... + 746018.

It is an arithmetic number, because the mean of its divisors is an integer number (3232710).

Almost surely, 2^13428171 is an apocalyptic number.

13428171 is a deficient number, since it is larger than the sum of its proper divisors (5968089).

13428171 is a wasteful number, since it uses less digits than its factorization.

13428171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492025 (or 1492022 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 13428171 is about 3664.4468886859. The cubic root of 13428171 is about 237.6871050049.

The spelling of 13428171 in words is "thirteen million, four hundred twenty-eight thousand, one hundred seventy-one".