13209800 has 36 divisors (see below), whose sum is σ = 30832755. Its totient is φ = 5263360.

The previous prime is 13209793. The next prime is 13209821. The reversal of 13209800 is 890231.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 12292036 + 917764 = 3506^2 + 958^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2570.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51272 + ... + 51528.

Almost surely, 2^13209800 is an apocalyptic number.

13209800 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 13209800

13209800 is an abundant number, since it is smaller than the sum of its proper divisors (17622955).

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

13209800 is an equidigital number, since it uses as much as digits as its factorization.

13209800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530 (or 264 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 13209800 is about 3634.5288552989. The cubic root of 13209800 is about 236.3916221122.

The spelling of 13209800 in words is "thirteen million, two hundred nine thousand, eight hundred".