13265971532 has 48 divisors (see below), whose sum is σ = 26675066880. Its totient is φ = 5709153600.

The previous prime is 13265971519. The next prime is 13265971547. The reversal of 13265971532 is 23517956231.

13265971532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (44).

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 15 ways as a sum of consecutive naturals, for example, 1761038 + ... + 1768554.

It is an arithmetic number, because the mean of its divisors is an integer number (555730560).

Almost surely, 2^13265971532 is an apocalyptic number.

It is an amenable number.

13265971532 is an abundant number, since it is smaller than the sum of its proper divisors (13409095348).

13265971532 is a wasteful number, since it uses less digits than its factorization.

13265971532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9662 (or 9660 counting only the distinct ones).

The product of its digits is 340200, while the sum is 44.

The spelling of 13265971532 in words is "thirteen billion, two hundred sixty-five million, nine hundred seventy-one thousand, five hundred thirty-two".