12543713727 has 16 divisors (see below), whose sum is σ = 16882525440. Its totient is φ = 8284045952.

The previous prime is 12543713701. The next prime is 12543713729. The reversal of 12543713727 is 72731734521.

It is a cyclic number.

It is not a de Polignac number, because 12543713727 - 2⁷ = 12543713599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12543713729) 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, 96823 + ... + 185639.

It is an arithmetic number, because the mean of its divisors is an integer number (1055157840).

Almost surely, 2^12543713727 is an apocalyptic number.

12543713727 is a deficient number, since it is larger than the sum of its proper divisors (4338811713).

12543713727 is a wasteful number, since it uses less digits than its factorization.

12543713727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89262.

The product of its digits is 246960, while the sum is 42.

The spelling of 12543713727 in words is "twelve billion, five hundred forty-three million, seven hundred thirteen thousand, seven hundred twenty-seven".