12871233 has 24 divisors (see below), whose sum is σ = 19310720. Its totient is φ = 8255520.

The previous prime is 12871207. The next prime is 12871241. The reversal of 12871233 is 33217821.

It is not a de Polignac number, because 12871233 - 2⁹ = 12870721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12871197 and 12871206.

It is not an unprimeable number, because it can be changed into a prime (12871333) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30363 + ... + 30783.

Almost surely, 2^12871233 is an apocalyptic number.

It is an amenable number.

12871233 is a deficient number, since it is larger than the sum of its proper divisors (6439487).

12871233 is a wasteful number, since it uses less digits than its factorization.

12871233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 546 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12871233 is about 3587.6500665477. The cubic root of 12871233 is about 234.3545469085.

It can be divided in two parts, 1287 and 1233, that multiplied together give a triangular number (1586871 = T₁₇₈₁).

The spelling of 12871233 in words is "twelve million, eight hundred seventy-one thousand, two hundred thirty-three".