13126816705399 has 8 divisors (see below), whose sum is σ = 13283557681680. Its totient is φ = 12970706478336.

The previous prime is 13126816705319. The next prime is 13126816705423. The reversal of 13126816705399 is 99350761862131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13126816705399 - 2⁷ = 13126816705271 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 (13126816705319) 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, 157645434 + ... + 157728679.

It is an arithmetic number, because the mean of its divisors is an integer number (1660444710210).

Almost surely, 2^{13126816705399} is an apocalyptic number.

13126816705399 is a deficient number, since it is larger than the sum of its proper divisors (156740976281).

13126816705399 is a wasteful number, since it uses less digits than its factorization.

13126816705399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315374609.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 13126816705399 in words is "thirteen trillion, one hundred twenty-six billion, eight hundred sixteen million, seven hundred five thousand, three hundred ninety-nine".