13585565 has 8 divisors (see below), whose sum is σ = 18631680. Its totient is φ = 9315792.

The previous prime is 13585547. The next prime is 13585573. The reversal of 13585565 is 56558531.

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 13585565 - 2¹⁴ = 13569181 is a prime.

It is a congruent 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, 194045 + ... + 194114.

It is an arithmetic number, because the mean of its divisors is an integer number (2328960).

Almost surely, 2^13585565 is an apocalyptic number.

It is an amenable number.

13585565 is a deficient number, since it is larger than the sum of its proper divisors (5046115).

13585565 is an equidigital number, since it uses as much as digits as its factorization.

13585565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388171.

The product of its digits is 90000, while the sum is 38.

The square root of 13585565 is about 3685.8601438470. The cubic root of 13585565 is about 238.6121578526.

The spelling of 13585565 in words is "thirteen million, five hundred eighty-five thousand, five hundred sixty-five".