13566097 has 4 divisors (see below), whose sum is σ = 13592560. Its totient is φ = 13539636.

The previous prime is 13566083. The next prime is 13566109. The reversal of 13566097 is 79066531.

13566097 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 79066531 = 3677 ⋅21503.

It is a cyclic number.

It is not a de Polignac number, because 13566097 - 2⁷ = 13565969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13566037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12447 + ... + 13492.

It is an arithmetic number, because the mean of its divisors is an integer number (3398140).

Almost surely, 2^13566097 is an apocalyptic number.

It is an amenable number.

13566097 is a deficient number, since it is larger than the sum of its proper divisors (26463).

13566097 is an equidigital number, since it uses as much as digits as its factorization.

13566097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26462.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 13566097 is about 3683.2182938295. The cubic root of 13566097 is about 238.4981269640.

The spelling of 13566097 in words is "thirteen million, five hundred sixty-six thousand, ninety-seven".