13365505 has 8 divisors (see below), whose sum is σ = 16111872. Its totient is φ = 10643568.

The previous prime is 13365503. The next prime is 13365509. The reversal of 13365505 is 50556331.

It is a happy number.

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 13365505 - 2¹ = 13365503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13365503) 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, 4879 + ... + 7108.

It is an arithmetic number, because the mean of its divisors is an integer number (2013984).

Almost surely, 2^13365505 is an apocalyptic number.

It is an amenable number.

13365505 is a deficient number, since it is larger than the sum of its proper divisors (2746367).

13365505 is a wasteful number, since it uses less digits than its factorization.

13365505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 13365505 is about 3655.8863494370. The cubic root of 13365505 is about 237.3167857541.

The spelling of 13365505 in words is "thirteen million, three hundred sixty-five thousand, five hundred five".