12543713726 has 8 divisors (see below), whose sum is σ = 18819545184. Its totient is φ = 6270532000.

The previous prime is 12543713701. The next prime is 12543713729. The reversal of 12543713726 is 62731734521.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 650555 + ... + 669558.

It is an arithmetic number, because the mean of its divisors is an integer number (2352443148).

Almost surely, 2^12543713726 is an apocalyptic number.

12543713726 is a deficient number, since it is larger than the sum of its proper divisors (6275831458).

12543713726 is a wasteful number, since it uses less digits than its factorization.

12543713726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1324866.

The product of its digits is 211680, while the sum is 41.

The spelling of 12543713726 in words is "twelve billion, five hundred forty-three million, seven hundred thirteen thousand, seven hundred twenty-six".