13013444032 has 56 divisors (see below), whose sum is σ = 26330422320. Its totient is φ = 6379591680.

The previous prime is 13013443997. The next prime is 13013444063. The reversal of 13013444032 is 23044431031.

It is a junction number, because it is equal to n+sod(n) for n = 13013443988 and 13013444006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494732 + ... + 1503412.

Almost surely, 2^13013444032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13013444032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13165211160).

13013444032 is an abundant number, since it is smaller than the sum of its proper divisors (13316978288).

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

13013444032 is an equidigital number, since it uses as much as digits as its factorization.

13013444032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9149 (or 9139 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13013444032 its reverse (23044431031), we get a palindrome (36057875063).

The spelling of 13013444032 in words is "thirteen billion, thirteen million, four hundred forty-four thousand, thirty-two".