12871472 has 20 divisors (see below), whose sum is σ = 25001376. Its totient is φ = 6419520.

The previous prime is 12871471. The next prime is 12871487. The reversal of 12871472 is 27417821.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (12871471) 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, 7913 + ... + 9399.

Almost surely, 2^12871472 is an apocalyptic number.

It is an amenable number.

12871472 is a deficient number, since it is larger than the sum of its proper divisors (12129904).

12871472 is a wasteful number, since it uses less digits than its factorization.

12871472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2030 counting only the distinct ones).

The product of its digits is 6272, while the sum is 32.

The square root of 12871472 is about 3587.6833751043. The cubic root of 12871472 is about 234.3559974401.

The spelling of 12871472 in words is "twelve million, eight hundred seventy-one thousand, four hundred seventy-two".