13504599808 has 144 divisors (see below), whose sum is σ = 33503972544. Its totient is φ = 5299568640.

The previous prime is 13504599767. The next prime is 13504599827. The reversal of 13504599808 is 80899540531.

13504599808 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, 1121178 + ... + 1133158.

It is an arithmetic number, because the mean of its divisors is an integer number (232666476).

Almost surely, 2^13504599808 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 13504599808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16751986272).

13504599808 is an abundant number, since it is smaller than the sum of its proper divisors (19999372736).

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

13504599808 is a wasteful number, since it uses less digits than its factorization.

13504599808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12058 (or 12044 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 52.

The spelling of 13504599808 in words is "thirteen billion, five hundred four million, five hundred ninety-nine thousand, eight hundred eight".