13665355 has 8 divisors (see below), whose sum is σ = 17889264. Its totient is φ = 9938400.

The previous prime is 13665347. The next prime is 13665359. The reversal of 13665355 is 55356631.

13665355 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 13665355 - 2³ = 13665347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13665355.

It is not an unprimeable number, because it can be changed into a prime (13665359) 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, 124176 + ... + 124285.

It is an arithmetic number, because the mean of its divisors is an integer number (2236158).

Almost surely, 2^13665355 is an apocalyptic number.

13665355 is a deficient number, since it is larger than the sum of its proper divisors (4223909).

13665355 is a wasteful number, since it uses less digits than its factorization.

13665355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248477.

The product of its digits is 40500, while the sum is 34.

The square root of 13665355 is about 3696.6680943790. The cubic root of 13665355 is about 239.0783809491.

The spelling of 13665355 in words is "thirteen million, six hundred sixty-five thousand, three hundred fifty-five".