13047020217671 has 16 divisors (see below), whose sum is σ = 14324179436160. Its totient is φ = 11785043069280.

The previous prime is 13047020217661. The next prime is 13047020217719. The reversal of 13047020217671 is 17671202074031.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13047020217671 - 2¹⁴ = 13047020201287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13047020217661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75672200 + ... + 75844418.

It is an arithmetic number, because the mean of its divisors is an integer number (895261214760).

Almost surely, 2^{13047020217671} is an apocalyptic number.

13047020217671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13047020217671 is a deficient number, since it is larger than the sum of its proper divisors (1277159218489).

13047020217671 is a wasteful number, since it uses less digits than its factorization.

13047020217671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216254.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 13047020217671 in words is "thirteen trillion, forty-seven billion, twenty million, two hundred seventeen thousand, six hundred seventy-one".