12871276 has 24 divisors (see below), whose sum is σ = 25147584. Its totient is φ = 5713680.

The previous prime is 12871259. The next prime is 12871291. The reversal of 12871276 is 67217821.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 1510 + ... + 5293.

It is an arithmetic number, because the mean of its divisors is an integer number (1047816).

Almost surely, 2^12871276 is an apocalyptic number.

It is an amenable number.

12871276 is a deficient number, since it is larger than the sum of its proper divisors (12276308).

12871276 is a wasteful number, since it uses less digits than its factorization.

12871276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6861 (or 6859 counting only the distinct ones).

The product of its digits is 9408, while the sum is 34.

The square root of 12871276 is about 3587.6560593234. The cubic root of 12871276 is about 234.3548078841.

The spelling of 12871276 in words is "twelve million, eight hundred seventy-one thousand, two hundred seventy-six".