13313665 has 8 divisors (see below), whose sum is σ = 16671168. Its totient is φ = 10187760.

The previous prime is 13313647. The next prime is 13313681. The reversal of 13313665 is 56631331.

13313665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13313665 - 2¹³ = 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, 57771 + ... + 58000.

It is an arithmetic number, because the mean of its divisors is an integer number (2083896).

Almost surely, 2^13313665 is an apocalyptic number.

It is an amenable number.

13313665 is a deficient number, since it is larger than the sum of its proper divisors (3357503).

13313665 is a wasteful number, since it uses less digits than its factorization.

13313665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115799.

The product of its digits is 4860, while the sum is 28.

The square root of 13313665 is about 3648.7895253084. The cubic root of 13313665 is about 237.0095659820.

Adding to 13313665 its reverse (56631331), we get a palindrome (69944996).

The spelling of 13313665 in words is "thirteen million, three hundred thirteen thousand, six hundred sixty-five".