13472917317 has 12 divisors (see below), whose sum is σ = 19779912204. Its totient is φ = 8834699520.

The previous prime is 13472917279. The next prime is 13472917319. The reversal of 13472917317 is 71371927431.

13472917317 is a `hidden beast` number, since 1 + 3 + 47 + 291 + 7 + 317 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 7065074916 + 6407842401 = 84054^2 + 80049^2 .

It is not a de Polignac number, because 13472917317 - 2¹⁹ = 13472393029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13472917319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12269868 + ... + 12270965.

It is an arithmetic number, because the mean of its divisors is an integer number (1648326017).

Almost surely, 2^13472917317 is an apocalyptic number.

It is an amenable number.

13472917317 is a deficient number, since it is larger than the sum of its proper divisors (6306994887).

13472917317 is a wasteful number, since it uses less digits than its factorization.

13472917317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24540900 (or 24540897 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The spelling of 13472917317 in words is "thirteen billion, four hundred seventy-two million, nine hundred seventeen thousand, three hundred seventeen".