13132731573 has 24 divisors (see below), whose sum is σ = 20733611808. Its totient is φ = 7961054112.

The previous prime is 13132731571. The next prime is 13132731637. The reversal of 13132731573 is 37513723131.

13132731573 is a `hidden beast` number, since 1 + 3 + 13 + 2 + 73 + 1 + 573 = 666.

13132731573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13132731573 - 2¹ = 13132731571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13132731571) 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 23 ways as a sum of consecutive naturals, for example, 829815 + ... + 845492.

It is an arithmetic number, because the mean of its divisors is an integer number (863900492).

Almost surely, 2^13132731573 is an apocalyptic number.

13132731573 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13132731573 is a deficient number, since it is larger than the sum of its proper divisors (7600880235).

13132731573 is a wasteful number, since it uses less digits than its factorization.

13132731573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675393 (or 1675390 counting only the distinct ones).

The product of its digits is 39690, while the sum is 36.

The spelling of 13132731573 in words is "thirteen billion, one hundred thirty-two million, seven hundred thirty-one thousand, five hundred seventy-three".