13459389 has 4 divisors (see below), whose sum is σ = 17945856. Its totient is φ = 8972924.

The previous prime is 13459367. The next prime is 13459409. The reversal of 13459389 is 98395431.

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: 98395431 = 3 ⋅32798477.

It is a cyclic number.

It is not a de Polignac number, because 13459389 - 2⁸ = 13459133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13459389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13459339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2243229 + ... + 2243234.

It is an arithmetic number, because the mean of its divisors is an integer number (4486464).

Almost surely, 2^13459389 is an apocalyptic number.

It is an amenable number.

13459389 is a deficient number, since it is larger than the sum of its proper divisors (4486467).

13459389 is an equidigital number, since it uses as much as digits as its factorization.

13459389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4486466.

The product of its digits is 116640, while the sum is 42.

The square root of 13459389 is about 3668.7039946008. The cubic root of 13459389 is about 237.8711552212.

The spelling of 13459389 in words is "thirteen million, four hundred fifty-nine thousand, three hundred eighty-nine".