13213800 has 96 divisors (see below), whose sum is σ = 45532800. Its totient is φ = 3522240.

The previous prime is 13213769. The next prime is 13213829. The reversal of 13213800 is 831231.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 4177 + ... + 6623.

It is an arithmetic number, because the mean of its divisors is an integer number (474300).

Almost surely, 2^13213800 is an apocalyptic number.

13213800 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 13213800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22766400).

13213800 is an abundant number, since it is smaller than the sum of its proper divisors (32319000).

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

13213800 is a wasteful number, since it uses less digits than its factorization.

13213800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 13213800 is about 3635.0790912991. The cubic root of 13213800 is about 236.4154799315.

The spelling of 13213800 in words is "thirteen million, two hundred thirteen thousand, eight hundred".