13202320 has 40 divisors (see below), whose sum is σ = 30873024. Its totient is φ = 5250432.

The previous prime is 13202317. The next prime is 13202327. The reversal of 13202320 is 2320231.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 13202320.

It is not an unprimeable number, because it can be changed into a prime (13202327) 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 7 ways as a sum of consecutive naturals, for example, 17797 + ... + 18523.

Almost surely, 2^13202320 is an apocalyptic number.

13202320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13202320 is an abundant number, since it is smaller than the sum of its proper divisors (17670704).

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

13202320 is a wasteful number, since it uses less digits than its factorization.

13202320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13202320 is about 3633.4996903812. The cubic root of 13202320 is about 236.3469950629.

Adding to 13202320 its reverse (2320231), we get a palindrome (15522551).

The spelling of 13202320 in words is "thirteen million, two hundred two thousand, three hundred twenty".