13271399526 has 64 divisors (see below), whose sum is σ = 33112880640. Its totient is φ = 3444975360.

The previous prime is 13271399459. The next prime is 13271399539. The reversal of 13271399526 is 62599317231.

13271399526 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13271399526² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 818490 + ... + 834546.

It is an arithmetic number, because the mean of its divisors is an integer number (517388760).

Almost surely, 2^13271399526 is an apocalyptic number.

13271399526 is an abundant number, since it is smaller than the sum of its proper divisors (19841481114).

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

13271399526 is a wasteful number, since it uses less digits than its factorization.

13271399526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17869.

The product of its digits is 612360, while the sum is 48.

The spelling of 13271399526 in words is "thirteen billion, two hundred seventy-one million, three hundred ninety-nine thousand, five hundred twenty-six".