13322389 has 4 divisors (see below), whose sum is σ = 13632256. Its totient is φ = 13012524.

The previous prime is 13322383. The next prime is 13322399. The reversal of 13322389 is 98322331.

13322389 is nontrivially palindromic in base 13.

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: 98322331 = 6469 ⋅15199.

It is a cyclic number.

It is not a de Polignac number, because 13322389 - 2³ = 13322381 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13322389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154869 + ... + 154954.

It is an arithmetic number, because the mean of its divisors is an integer number (3408064).

Almost surely, 2^13322389 is an apocalyptic number.

It is an amenable number.

13322389 is a deficient number, since it is larger than the sum of its proper divisors (309867).

13322389 is an equidigital number, since it uses as much as digits as its factorization.

13322389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309866.

The product of its digits is 7776, while the sum is 31.

The square root of 13322389 is about 3649.9847944889. The cubic root of 13322389 is about 237.0613228297.

It can be divided in two parts, 1332 and 2389, that added together give a square (3721 = 61²).

The spelling of 13322389 in words is "thirteen million, three hundred twenty-two thousand, three hundred eighty-nine".