13280500 has 24 divisors (see below), whose sum is σ = 29005704. Its totient is φ = 5312000.

The previous prime is 13280489. The next prime is 13280503. The reversal of 13280500 is 508231.

It is a happy number.

13280500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1764 + 13278736 = 42^2 + 3644^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13280503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12781 + ... + 13780.

It is an arithmetic number, because the mean of its divisors is an integer number (1208571).

Almost surely, 2^13280500 is an apocalyptic number.

13280500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13280500 is an abundant number, since it is smaller than the sum of its proper divisors (15725204).

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

13280500 is a wasteful number, since it uses less digits than its factorization.

13280500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26580 (or 26568 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 13280500 is about 3644.2420336745. The cubic root of 13280500 is about 236.8126014797.

Adding to 13280500 its reverse (508231), we get a palindrome (13788731).

The spelling of 13280500 in words is "thirteen million, two hundred eighty thousand, five hundred".