12709704739 has 4 divisors (see below), whose sum is σ = 12743239960. Its totient is φ = 12676169520.

The previous prime is 12709704641. The next prime is 12709704767. The reversal of 12709704739 is 93740790721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93740790721 = 829 ⋅113076949.

It is a cyclic number.

It is not a de Polignac number, because 12709704739 - 2¹³ = 12709696547 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12709704692 and 12709704701.

It is not an unprimeable number, because it can be changed into a prime (12709704239) 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, 16767042 + ... + 16767799.

It is an arithmetic number, because the mean of its divisors is an integer number (3185809990).

Almost surely, 2^12709704739 is an apocalyptic number.

12709704739 is a deficient number, since it is larger than the sum of its proper divisors (33535221).

12709704739 is an equidigital number, since it uses as much as digits as its factorization.

12709704739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33535220.

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 12709704739 in words is "twelve billion, seven hundred nine million, seven hundred four thousand, seven hundred thirty-nine".