13243315 has 8 divisors (see below), whose sum is σ = 15981840. Its totient is φ = 10534752.

The previous prime is 13243303. The next prime is 13243319. The reversal of 13243315 is 51334231.

13243315 is digitally balanced in base 2, 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 a cyclic number.

It is not a de Polignac number, because 13243315 - 2¹⁷ = 13112243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13243319) 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, 6504 + ... + 8293.

It is an arithmetic number, because the mean of its divisors is an integer number (1997730).

Almost surely, 2^13243315 is an apocalyptic number.

13243315 is a deficient number, since it is larger than the sum of its proper divisors (2738525).

13243315 is a wasteful number, since it uses less digits than its factorization.

13243315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14981.

The product of its digits is 1080, while the sum is 22.

The square root of 13243315 is about 3639.1365734196. The cubic root of 13243315 is about 236.5913721554.

Adding to 13243315 its reverse (51334231), we get a palindrome (64577546).

The spelling of 13243315 in words is "thirteen million, two hundred forty-three thousand, three hundred fifteen".