13073565 has 8 divisors (see below), whose sum is σ = 20917728. Its totient is φ = 6972560.

The previous prime is 13073551. The next prime is 13073573. The reversal of 13073565 is 56537031.

13073565 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 not a de Polignac number, because 13073565 - 2⁴ = 13073549 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435771 + ... + 435800.

It is an arithmetic number, because the mean of its divisors is an integer number (2614716).

Almost surely, 2^13073565 is an apocalyptic number.

13073565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13073565 is a deficient number, since it is larger than the sum of its proper divisors (7844163).

13073565 is an equidigital number, since it uses as much as digits as its factorization.

13073565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871579.

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 13073565 is about 3615.7385137756. The cubic root of 13073565 is about 235.5761628152.

The spelling of 13073565 in words is "thirteen million, seventy-three thousand, five hundred sixty-five".