13001343432 has 128 divisors (see below), whose sum is σ = 41466332160. Its totient is φ = 3298417920.

The previous prime is 13001343413. The next prime is 13001343491. The reversal of 13001343432 is 23434310031.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 2343 + ... + 161270.

It is an arithmetic number, because the mean of its divisors is an integer number (323955720).

Almost surely, 2^13001343432 is an apocalyptic number.

13001343432 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 13001343432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20733166080).

13001343432 is an abundant number, since it is smaller than the sum of its proper divisors (28464988728).

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

13001343432 is a wasteful number, since it uses less digits than its factorization.

13001343432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163683 (or 163679 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 13001343432 its reverse (23434310031), we get a palindrome (36435653463).

The spelling of 13001343432 in words is "thirteen billion, one million, three hundred forty-three thousand, four hundred thirty-two".