13171294208 has 54 divisors (see below), whose sum is σ = 26425849401. Its totient is φ = 6564872192.

The previous prime is 13171294207. The next prime is 13171294217. The reversal of 13171294208 is 80249217131.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 9613410304 + 3557883904 = 98048^2 + 59648^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=81152.

It is a super-2 number, since 2×13171294208² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13171294207) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 41549666 + ... + 41549982.

Almost surely, 2^13171294208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13171294208

13171294208 is an abundant number, since it is smaller than the sum of its proper divisors (13254555193).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13171294208 is an frugal number, since it uses more digits than its factorization.

13171294208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 13171294208 in words is "thirteen billion, one hundred seventy-one million, two hundred ninety-four thousand, two hundred eight".