13143300 has 72 divisors (see below), whose sum is σ = 38393376. Its totient is φ = 3471360.

The previous prime is 13143289. The next prime is 13143301. The reversal of 13143300 is 334131.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 13143300.

It is not an unprimeable number, because it can be changed into a prime (13143301) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57787 + ... + 58013.

Almost surely, 2^13143300 is an apocalyptic number.

13143300 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 13143300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19196688).

13143300 is an abundant number, since it is smaller than the sum of its proper divisors (25250076).

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

13143300 is a wasteful number, since it uses less digits than its factorization.

13143300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 430 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13143300 is about 3625.3689467418. The cubic root of 13143300 is about 235.9942783253.

Adding to 13143300 its reverse (334131), we get a palindrome (13477431).

The spelling of 13143300 in words is "thirteen million, one hundred forty-three thousand, three hundred".