13197089 has 4 divisors (see below), whose sum is σ = 13204356. Its totient is φ = 13189824.

The previous prime is 13197017. The next prime is 13197097. The reversal of 13197089 is 98079131.

13197089 is digitally balanced in base 2, 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 brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98079131 = 29 ⋅3382039.

It can be written as a sum of positive squares in 2 ways, for example, as 2274064 + 10923025 = 1508^2 + 3305^2 .

It is a cyclic number.

It is not a de Polignac number, because 13197089 - 2¹⁶ = 13131553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13107089) 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, 1757 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (3301089).

Almost surely, 2^13197089 is an apocalyptic number.

It is an amenable number.

13197089 is a deficient number, since it is larger than the sum of its proper divisors (7267).

13197089 is an equidigital number, since it uses as much as digits as its factorization.

13197089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7266.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 13197089 is about 3632.7797896377. The cubic root of 13197089 is about 236.3157759425.

The spelling of 13197089 in words is "thirteen million, one hundred ninety-seven thousand, eighty-nine".