13408884 has 36 divisors (see below), whose sum is σ = 34106436. Its totient is φ = 4441728.

The previous prime is 13408883. The next prime is 13408891. The reversal of 13408884 is 48880431.

13408884 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6502500 + 6906384 = 2550^2 + 2628^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5152 + ... + 7304.

It is an arithmetic number, because the mean of its divisors is an integer number (947401).

Almost surely, 2^13408884 is an apocalyptic number.

It is an amenable number.

13408884 is an abundant number, since it is smaller than the sum of its proper divisors (20697552).

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

13408884 is a wasteful number, since it uses less digits than its factorization.

13408884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2331 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 13408884 is about 3661.8143044125. The cubic root of 13408884 is about 237.5732531195.

The spelling of 13408884 in words is "thirteen million, four hundred eight thousand, eight hundred eighty-four".