13305505 has 8 divisors (see below), whose sum is σ = 16005312. Its totient is φ = 10618608.

The previous prime is 13305499. The next prime is 13305511. The reversal of 13305505 is 50550331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13305499) and next prime (13305511).

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

It is a cyclic number.

It is not a de Polignac number, because 13305505 - 2⁵ = 13305473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (2000664).

Almost surely, 2^13305505 is an apocalyptic number.

It is an amenable number.

13305505 is a deficient number, since it is larger than the sum of its proper divisors (2699807).

13305505 is an equidigital number, since it uses as much as digits as its factorization.

13305505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6455.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 13305505 is about 3647.6711748731. The cubic root of 13305505 is about 236.9611347071.

Adding to 13305505 its reverse (50550331), we get a palindrome (63855836).

The spelling of 13305505 in words is "thirteen million, three hundred five thousand, five hundred five".