13323680 has 24 divisors (see below), whose sum is σ = 31477572. Its totient is φ = 5329408.

The previous prime is 13323649. The next prime is 13323683. The reversal of 13323680 is 8632331.

It can be written as a sum of positive squares in 2 ways, for example, as 13278736 + 44944 = 3644^2 + 212^2 .

It is not an unprimeable number, because it can be changed into a prime (13323683) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 41477 + ... + 41796.

Almost surely, 2^13323680 is an apocalyptic number.

13323680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13323680 is an abundant number, since it is smaller than the sum of its proper divisors (18153892).

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

13323680 is an equidigital number, since it uses as much as digits as its factorization.

13323680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83288 (or 83280 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 13323680 is about 3650.1616402565. The cubic root of 13323680 is about 237.0689800220.

The spelling of 13323680 in words is "thirteen million, three hundred twenty-three thousand, six hundred eighty".