12871834653 has 16 divisors (see below), whose sum is σ = 17293424960. Its totient is φ = 8515787904.

The previous prime is 12871834649. The next prime is 12871834691. The reversal of 12871834653 is 35643817821.

It is not a de Polignac number, because 12871834653 - 2² = 12871834649 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12871834603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1226175 + ... + 1236627.

It is an arithmetic number, because the mean of its divisors is an integer number (1080839060).

Almost surely, 2^12871834653 is an apocalyptic number.

It is an amenable number.

12871834653 is a deficient number, since it is larger than the sum of its proper divisors (4421590307).

12871834653 is a wasteful number, since it uses less digits than its factorization.

12871834653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13548.

The product of its digits is 967680, while the sum is 48.

The spelling of 12871834653 in words is "twelve billion, eight hundred seventy-one million, eight hundred thirty-four thousand, six hundred fifty-three".