13408811724 has 96 divisors (see below), whose sum is σ = 39066402816. Its totient is φ = 3477545280.

The previous prime is 13408811723. The next prime is 13408811737. The reversal of 13408811724 is 42711880431.

It is not an unprimeable number, because it can be changed into a prime (13408811723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 620469 + ... + 641715.

It is an arithmetic number, because the mean of its divisors is an integer number (406941696).

Almost surely, 2^13408811724 is an apocalyptic number.

13408811724 is a gapful number since it is divisible by the number (14) 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 13408811724, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19533201408).

13408811724 is an abundant number, since it is smaller than the sum of its proper divisors (25657591092).

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

13408811724 is a wasteful number, since it uses less digits than its factorization.

13408811724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21955 (or 21953 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 39.

The spelling of 13408811724 in words is "thirteen billion, four hundred eight million, eight hundred eleven thousand, seven hundred twenty-four".