13808872 has 64 divisors (see below), whose sum is σ = 33436800. Its totient is φ = 5187840.

The previous prime is 13808869. The next prime is 13808887. The reversal of 13808872 is 27880831.

13808872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17478 + ... + 18250.

It is an arithmetic number, because the mean of its divisors is an integer number (522450).

Almost surely, 2^13808872 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 13808872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16718400).

13808872 is an abundant number, since it is smaller than the sum of its proper divisors (19627928).

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

13808872 is a wasteful number, since it uses less digits than its factorization.

13808872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 37.

The square root of 13808872 is about 3716.0290633955. The cubic root of 13808872 is about 239.9124217495.

The spelling of 13808872 in words is "thirteen million, eight hundred eight thousand, eight hundred seventy-two".