12969171 has 12 divisors (see below), whose sum is σ = 19548048. Its totient is φ = 8270064.

The previous prime is 12969167. The next prime is 12969179. The reversal of 12969171 is 17196921.

It is not a de Polignac number, because 12969171 - 2² = 12969167 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12969179) 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 in 11 ways as a sum of consecutive naturals, for example, 31120 + ... + 31533.

It is an arithmetic number, because the mean of its divisors is an integer number (1629004).

Almost surely, 2^12969171 is an apocalyptic number.

12969171 is a deficient number, since it is larger than the sum of its proper divisors (6578877).

12969171 is a wasteful number, since it uses less digits than its factorization.

12969171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62682 (or 62679 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 12969171 is about 3601.2735247409. The cubic root of 12969171 is about 234.9474516578.

The spelling of 12969171 in words is "twelve million, nine hundred sixty-nine thousand, one hundred seventy-one".