13340320 has 96 divisors (see below), whose sum is σ = 36989568. Its totient is φ = 4451328.

The previous prime is 13340309. The next prime is 13340351. The reversal of 13340320 is 2304331.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 13340294 and 13340303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48022 + ... + 48298.

It is an arithmetic number, because the mean of its divisors is an integer number (385308).

Almost surely, 2^13340320 is an apocalyptic number.

13340320 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 13340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18494784).

13340320 is an abundant number, since it is smaller than the sum of its proper divisors (23649248).

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

13340320 is a wasteful number, since it uses less digits than its factorization.

13340320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342 (or 334 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 13340320 is about 3652.4402801415. The cubic root of 13340320 is about 237.1676311136.

Adding to 13340320 its reverse (2304331), we get a palindrome (15644651).

The spelling of 13340320 in words is "thirteen million, three hundred forty thousand, three hundred twenty".