13565361 has 8 divisors (see below), whose sum is σ = 18105120. Its totient is φ = 9034592.

The previous prime is 13565351. The next prime is 13565369. The reversal of 13565361 is 16356531.

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 13565361 - 2⁹ = 13564849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13565369) 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, 3085 + ... + 6053.

It is an arithmetic number, because the mean of its divisors is an integer number (2263140).

Almost surely, 2^13565361 is an apocalyptic number.

It is an amenable number.

13565361 is a deficient number, since it is larger than the sum of its proper divisors (4539759).

13565361 is a wasteful number, since it uses less digits than its factorization.

13565361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4495.

The product of its digits is 8100, while the sum is 30.

The square root of 13565361 is about 3683.1183798515. The cubic root of 13565361 is about 238.4938138149.

The spelling of 13565361 in words is "thirteen million, five hundred sixty-five thousand, three hundred sixty-one".