13305771472 has 80 divisors (see below), whose sum is σ = 29950083072. Its totient is φ = 5608552320.

The previous prime is 13305771443. The next prime is 13305771511. The reversal of 13305771472 is 27417750331.

13305771472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 3711793 + ... + 3715375.

Almost surely, 2^13305771472 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 13305771472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14975041536).

13305771472 is an abundant number, since it is smaller than the sum of its proper divisors (16644311600).

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

13305771472 is a wasteful number, since it uses less digits than its factorization.

13305771472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136 (or 4130 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 13305771472 in words is "thirteen billion, three hundred five million, seven hundred seventy-one thousand, four hundred seventy-two".