13271018782 has 12 divisors (see below), whose sum is σ = 23156573760. Its totient is φ = 5687579436.

The previous prime is 13271018777. The next prime is 13271018801. The reversal of 13271018782 is 28781017231.

13271018782 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 2×13271018782² (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 5 ways as a sum of consecutive naturals, for example, 67709182 + ... + 67709377.

It is an arithmetic number, because the mean of its divisors is an integer number (1929714480).

Almost surely, 2^13271018782 is an apocalyptic number.

13271018782 is a deficient number, since it is larger than the sum of its proper divisors (9885554978).

13271018782 is a wasteful number, since it uses less digits than its factorization.

13271018782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135418575 (or 135418568 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 40.

The spelling of 13271018782 in words is "thirteen billion, two hundred seventy-one million, eighteen thousand, seven hundred eighty-two".