12708358661 has 16 divisors (see below), whose sum is σ = 13155125760. Its totient is φ = 12267432000.

The previous prime is 12708358651. The next prime is 12708358667. The reversal of 12708358661 is 16685380721.

12708358661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12708358661 - 2¹⁰ = 12708357637 is a prime.

It is a super-2 number, since 2×12708358661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12708358667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2495660 + ... + 2500746.

It is an arithmetic number, because the mean of its divisors is an integer number (822195360).

Almost surely, 2^12708358661 is an apocalyptic number.

It is an amenable number.

12708358661 is a deficient number, since it is larger than the sum of its proper divisors (446767099).

12708358661 is a wasteful number, since it uses less digits than its factorization.

12708358661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 12708358661 in words is "twelve billion, seven hundred eight million, three hundred fifty-eight thousand, six hundred sixty-one".