13320355065 has 8 divisors (see below), whose sum is σ = 21312568128. Its totient is φ = 7104189360.

The previous prime is 13320355039. The next prime is 13320355067. The reversal of 13320355065 is 56055302331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13320355065 - 2⁸ = 13320354809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13320355067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 444011821 + ... + 444011850.

It is an arithmetic number, because the mean of its divisors is an integer number (2664071016).

Almost surely, 2^13320355065 is an apocalyptic number.

13320355065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13320355065 is a deficient number, since it is larger than the sum of its proper divisors (7992213063).

13320355065 is an equidigital number, since it uses as much as digits as its factorization.

13320355065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888023679.

The product of its (nonzero) digits is 40500, while the sum is 33.

Adding to 13320355065 its reverse (56055302331), we get a palindrome (69375657396).

The spelling of 13320355065 in words is "thirteen billion, three hundred twenty million, three hundred fifty-five thousand, sixty-five".