12662706564613 has 8 divisors (see below), whose sum is σ = 15100867456128. Its totient is φ = 10381846375824.

The previous prime is 12662706564523. The next prime is 12662706564643. The reversal of 12662706564613 is 31646560726621.

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

It is not a de Polignac number, because 12662706564613 - 2¹⁷ = 12662706433541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12662706564643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39325175506 + ... + 39325175827.

It is an arithmetic number, because the mean of its divisors is an integer number (1887608432016).

Almost surely, 2^{12662706564613} is an apocalyptic number.

It is an amenable number.

12662706564613 is a deficient number, since it is larger than the sum of its proper divisors (2438160891515).

12662706564613 is an equidigital number, since it uses as much as digits as its factorization.

12662706564613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78650351363.

The product of its (nonzero) digits is 13063680, while the sum is 55.

The spelling of 12662706564613 in words is "twelve trillion, six hundred sixty-two billion, seven hundred six million, five hundred sixty-four thousand, six hundred thirteen".