13520017671 has 8 divisors (see below), whose sum is σ = 18513898224. Its totient is φ = 8769741120.

The previous prime is 13520017649. The next prime is 13520017681. The reversal of 13520017671 is 17671002531.

13520017671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13520017671 - 2⁵ = 13520017639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13520017681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60900870 + ... + 60901091.

It is an arithmetic number, because the mean of its divisors is an integer number (2314237278).

Almost surely, 2^13520017671 is an apocalyptic number.

13520017671 is a deficient number, since it is larger than the sum of its proper divisors (4993880553).

13520017671 is a wasteful number, since it uses less digits than its factorization.

13520017671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121802001.

The product of its (nonzero) digits is 8820, while the sum is 33.

The spelling of 13520017671 in words is "thirteen billion, five hundred twenty million, seventeen thousand, six hundred seventy-one".