13329985 has 8 divisors (see below), whose sum is σ = 16235136. Its totient is φ = 10504560.

The previous prime is 13329983. The next prime is 13329991. The reversal of 13329985 is 58992331.

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

It is not a de Polignac number, because 13329985 - 2¹ = 13329983 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13329983) 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, 19561 + ... + 20230.

It is an arithmetic number, because the mean of its divisors is an integer number (2029392).

Almost surely, 2^13329985 is an apocalyptic number.

It is an amenable number.

13329985 is a deficient number, since it is larger than the sum of its proper divisors (2905151).

13329985 is an equidigital number, since it uses as much as digits as its factorization.

13329985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39863.

The product of its digits is 58320, while the sum is 40.

The square root of 13329985 is about 3651.0251984888. The cubic root of 13329985 is about 237.1063691969.

The spelling of 13329985 in words is "thirteen million, three hundred twenty-nine thousand, nine hundred eighty-five".