13343320 has 64 divisors (see below), whose sum is σ = 32104800. Its totient is φ = 4976640.

The previous prime is 13343311. The next prime is 13343321. The reversal of 13343320 is 2334331.

13343320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13343321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73630 + ... + 73810.

Almost surely, 2^13343320 is an apocalyptic number.

13343320 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 13343320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16052400).

13343320 is an abundant number, since it is smaller than the sum of its proper divisors (18761480).

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

13343320 is a wasteful number, since it uses less digits than its factorization.

13343320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 13343320 is about 3652.8509413881. The cubic root of 13343320 is about 237.1854080376.

Adding to 13343320 its reverse (2334331), we get a palindrome (15677651).

The spelling of 13343320 in words is "thirteen million, three hundred forty-three thousand, three hundred twenty".