13585315 has 4 divisors (see below), whose sum is σ = 16302384. Its totient is φ = 10868248.

The previous prime is 13585289. The next prime is 13585321. The reversal of 13585315 is 51358531.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51358531 = 7 ⋅7336933.

It is a cyclic number.

It is not a de Polignac number, because 13585315 - 2¹¹ = 13583267 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1358527 + ... + 1358536.

It is an arithmetic number, because the mean of its divisors is an integer number (4075596).

Almost surely, 2^13585315 is an apocalyptic number.

13585315 is a deficient number, since it is larger than the sum of its proper divisors (2717069).

13585315 is an equidigital number, since it uses as much as digits as its factorization.

13585315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717068.

The product of its digits is 9000, while the sum is 31.

The square root of 13585315 is about 3685.8262303044. The cubic root of 13585315 is about 238.6106942059.

It can be divided in two parts, 13585 and 315, that multiplied together give a triangular number (4279275 = T₂₉₂₅).

The spelling of 13585315 in words is "thirteen million, five hundred eighty-five thousand, three hundred fifteen".