13305315 has 16 divisors (see below), whose sum is σ = 21547008. Its totient is φ = 7010016.

The previous prime is 13305307. The next prime is 13305319. The reversal of 13305315 is 51350331.

It is a happy number.

13305315 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13305315 - 2³ = 13305307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13305291 and 13305300.

It is not an unprimeable number, because it can be changed into a prime (13305319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4099 + ... + 6588.

It is an arithmetic number, because the mean of its divisors is an integer number (1346688).

Almost surely, 2^13305315 is an apocalyptic number.

13305315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13305315 is a deficient number, since it is larger than the sum of its proper divisors (8241693).

13305315 is a wasteful number, since it uses less digits than its factorization.

13305315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10778.

The product of its (nonzero) digits is 675, while the sum is 21.

The square root of 13305315 is about 3647.6451307659. The cubic root of 13305315 is about 236.9600067822.

Adding to 13305315 its reverse (51350331), we get a palindrome (64655646).

The spelling of 13305315 in words is "thirteen million, three hundred five thousand, three hundred fifteen".