13408500 has 96 divisors (see below), whose sum is σ = 44658432. Its totient is φ = 3062400.

The previous prime is 13408481. The next prime is 13408501. The reversal of 13408500 is 580431.

13408500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13408501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9862 + ... + 11138.

It is an arithmetic number, because the mean of its divisors is an integer number (465192).

Almost surely, 2^13408500 is an apocalyptic number.

13408500 is a gapful number since it is divisible by the number (10) 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 13408500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22329216).

13408500 is an abundant number, since it is smaller than the sum of its proper divisors (31249932).

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

13408500 is a wasteful number, since it uses less digits than its factorization.

13408500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1294 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 13408500 is about 3661.7618710124. The cubic root of 13408500 is about 237.5709852450.

Adding to 13408500 its reverse (580431), we get a palindrome (13988931).

The spelling of 13408500 in words is "thirteen million, four hundred eight thousand, five hundred".