12871134 has 12 divisors (see below), whose sum is σ = 27887496. Its totient is φ = 4290372.

The previous prime is 12871129. The next prime is 12871181. The reversal of 12871134 is 43117821.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12871098 and 12871107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 357514 + ... + 357549.

It is an arithmetic number, because the mean of its divisors is an integer number (2323958).

Almost surely, 2^12871134 is an apocalyptic number.

12871134 is an abundant number, since it is smaller than the sum of its proper divisors (15016362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12871134 is a wasteful number, since it uses less digits than its factorization.

12871134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715071 (or 715068 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 12871134 is about 3587.6362691889. The cubic root of 12871134 is about 234.3539460554.

Adding to 12871134 its reverse (43117821), we get a palindrome (55988955).

The spelling of 12871134 in words is "twelve million, eight hundred seventy-one thousand, one hundred thirty-four".