12895871 has 4 divisors (see below), whose sum is σ = 12918000. Its totient is φ = 12873744.

The previous prime is 12895849. The next prime is 12895873. The reversal of 12895871 is 17859821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17859821 = 7 ⋅2551403.

It is a cyclic number.

It is not a de Polignac number, because 12895871 - 2¹⁴ = 12879487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10166 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (3229500).

Almost surely, 2^12895871 is an apocalyptic number.

12895871 is a deficient number, since it is larger than the sum of its proper divisors (22129).

12895871 is an equidigital number, since it uses as much as digits as its factorization.

12895871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22128.

The product of its digits is 40320, while the sum is 41.

The square root of 12895871 is about 3591.0821488794. The cubic root of 12895871 is about 234.5039847296.

The spelling of 12895871 in words is "twelve million, eight hundred ninety-five thousand, eight hundred seventy-one".