13043513532 has 96 divisors (see below), whose sum is σ = 37139300352. Its totient is φ = 3481765056.

The previous prime is 13043513507. The next prime is 13043513543. The reversal of 13043513532 is 23531534031.

It is a self number, because there is not a number n which added to its sum of digits gives 13043513532.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4573 + ... + 161579.

It is an arithmetic number, because the mean of its divisors is an integer number (386867712).

Almost surely, 2^13043513532 is an apocalyptic number.

13043513532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13043513532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18569650176).

13043513532 is an abundant number, since it is smaller than the sum of its proper divisors (24095786820).

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

13043513532 is a wasteful number, since it uses less digits than its factorization.

13043513532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157087 (or 157085 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

The spelling of 13043513532 in words is "thirteen billion, forty-three million, five hundred thirteen thousand, five hundred thirty-two".