12871576 has 16 divisors (see below), whose sum is σ = 24173640. Its totient is φ = 6425280.

The previous prime is 12871543. The next prime is 12871583. The reversal of 12871576 is 67517821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940 + ... + 8596.

Almost surely, 2^12871576 is an apocalyptic number.

It is an amenable number.

12871576 is a deficient number, since it is larger than the sum of its proper divisors (11302064).

12871576 is a wasteful number, since it uses less digits than its factorization.

12871576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634 (or 2630 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 12871576 is about 3587.6978691077. The cubic root of 12871576 is about 234.3566286282.

The spelling of 12871576 in words is "twelve million, eight hundred seventy-one thousand, five hundred seventy-six".