13170565 has 8 divisors (see below), whose sum is σ = 15824160. Its totient is φ = 10523472.

The previous prime is 13170551. The next prime is 13170581. The reversal of 13170565 is 56507131.

13170565 is digitally balanced in base 3, 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 a de Polignac number, because none of the positive numbers 2^k-13170565 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7282 + ... + 8908.

It is an arithmetic number, because the mean of its divisors is an integer number (1978020).

Almost surely, 2^13170565 is an apocalyptic number.

It is an amenable number.

13170565 is a deficient number, since it is larger than the sum of its proper divisors (2653595).

13170565 is a wasteful number, since it uses less digits than its factorization.

13170565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3251.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 13170565 is about 3629.1273055653. The cubic root of 13170565 is about 236.1573510156.

Adding to 13170565 its reverse (56507131), we get a palindrome (69677696).

The spelling of 13170565 in words is "thirteen million, one hundred seventy thousand, five hundred sixty-five".