12871508 has 12 divisors (see below), whose sum is σ = 24257940. Its totient is φ = 5940672.

The previous prime is 12871501. The next prime is 12871511. The reversal of 12871508 is 80517821.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5098564 + 7772944 = 2258^2 + 2788^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871501) by changing a digit.

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, 123713 + ... + 123816.

It is an arithmetic number, because the mean of its divisors is an integer number (2021495).

Almost surely, 2^12871508 is an apocalyptic number.

It is an amenable number.

12871508 is a deficient number, since it is larger than the sum of its proper divisors (11386432).

12871508 is a wasteful number, since it uses less digits than its factorization.

12871508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247546 (or 247544 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12871508 is about 3587.6883922660. The cubic root of 12871508 is about 234.3562159287.

The spelling of 12871508 in words is "twelve million, eight hundred seventy-one thousand, five hundred eight".