12871533 has 8 divisors (see below), whose sum is σ = 18171648. Its totient is φ = 8076224.

The previous prime is 12871511. The next prime is 12871543. The reversal of 12871533 is 33517821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12871533 - 2⁵ = 12871501 is a prime.

It is a plaindrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 12871533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 126141 + ... + 126242.

It is an arithmetic number, because the mean of its divisors is an integer number (2271456).

Almost surely, 2^12871533 is an apocalyptic number.

It is an amenable number.

12871533 is a deficient number, since it is larger than the sum of its proper divisors (5300115).

12871533 is a wasteful number, since it uses less digits than its factorization.

12871533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252403.

The product of its digits is 5040, while the sum is 30.

The square root of 12871533 is about 3587.6918764019. The cubic root of 12871533 is about 234.3563676566.

The spelling of 12871533 in words is "twelve million, eight hundred seventy-one thousand, five hundred thirty-three".