13001800 has 96 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 4320000.

The previous prime is 13001789. The next prime is 13001827. The reversal of 13001800 is 810031.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51675 + ... + 51925.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^13001800 is an apocalyptic number.

13001800 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 13001800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17811360).

13001800 is an abundant number, since it is smaller than the sum of its proper divisors (22620920).

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

13001800 is a wasteful number, since it uses less digits than its factorization.

13001800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 13001800 is about 3605.8008819124. The cubic root of 13001800 is about 235.1443205852.

Adding to 13001800 its reverse (810031), we get a palindrome (13811831).

The spelling of 13001800 in words is "thirteen million, one thousand, eight hundred".