12722713307 has 4 divisors (see below), whose sum is σ = 12723061680. Its totient is φ = 12722364936.

The previous prime is 12722713303. The next prime is 12722713313. The reversal of 12722713307 is 70331722721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12722713307 - 2² = 12722713303 is a prime.

It is a super-2 number, since 2×12722713307² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12722713301) 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, 112007 + ... + 194912.

It is an arithmetic number, because the mean of its divisors is an integer number (3180765420).

Almost surely, 2^12722713307 is an apocalyptic number.

12722713307 is a deficient number, since it is larger than the sum of its proper divisors (348373).

12722713307 is an equidigital number, since it uses as much as digits as its factorization.

12722713307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348372.

The product of its (nonzero) digits is 24696, while the sum is 35.

The spelling of 12722713307 in words is "twelve billion, seven hundred twenty-two million, seven hundred thirteen thousand, three hundred seven".