13505315 has 8 divisors (see below), whose sum is σ = 16297008. Its totient is φ = 10743840.

The previous prime is 13505299. The next prime is 13505321. The reversal of 13505315 is 51350531.

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

It is not a de Polignac number, because 13505315 - 2⁴ = 13505299 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 6557 + ... + 8366.

It is an arithmetic number, because the mean of its divisors is an integer number (2037126).

Almost surely, 2^13505315 is an apocalyptic number.

13505315 is a deficient number, since it is larger than the sum of its proper divisors (2791693).

13505315 is a wasteful number, since it uses less digits than its factorization.

13505315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109.

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 13505315 is about 3674.9578228872. The cubic root of 13505315 is about 238.1414019789.

Adding to 13505315 its reverse (51350531), we get a palindrome (64855846).

The spelling of 13505315 in words is "thirteen million, five hundred five thousand, three hundred fifteen".