13217870271 has 8 divisors (see below), whose sum is σ = 17624358144. Its totient is φ = 8811647960.

The previous prime is 13217870261. The next prime is 13217870291. The reversal of 13217870271 is 17207871231.

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 13217870271 - 2⁷ = 13217870143 is a prime.

It is a super-2 number, since 2×13217870271² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13217870251) 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, 161626 + ... + 229256.

It is an arithmetic number, because the mean of its divisors is an integer number (2203044768).

Almost surely, 2^13217870271 is an apocalyptic number.

13217870271 is a deficient number, since it is larger than the sum of its proper divisors (4406487873).

13217870271 is an equidigital number, since it uses as much as digits as its factorization.

13217870271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132781.

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 13217870271 in words is "thirteen billion, two hundred seventeen million, eight hundred seventy thousand, two hundred seventy-one".