13473347328 has 288 divisors, whose sum is σ = 46472384000. Its totient is φ = 3848850432.

The previous prime is 13473347299. The next prime is 13473347369. The reversal of 13473347328 is 82374337431.

It is a tau number, because it is divible by the number of its divisors (288).

It is a nude number because it is divisible by every one of its digits.

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, 2367975 + ... + 2373657.

Almost surely, 2^13473347328 is an apocalyptic number.

13473347328 is a gapful number since it is divisible by the number (18) 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 13473347328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23236192000).

13473347328 is an abundant number, since it is smaller than the sum of its proper divisors (32999036672).

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

13473347328 is an frugal number, since it uses more digits than its factorization.

13473347328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5729 (or 5695 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 13473347328 in words is "thirteen billion, four hundred seventy-three million, three hundred forty-seven thousand, three hundred twenty-eight".