13602289 has 4 divisors (see below), whose sum is σ = 13766256. Its totient is φ = 13438324.

The previous prime is 13602287. The next prime is 13602293. The reversal of 13602289 is 98220631.

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: 98220631 = 443 ⋅221717.

It is a cyclic number.

It is not a de Polignac number, because 13602289 - 2¹ = 13602287 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 13602289.

It is not an unprimeable number, because it can be changed into a prime (13602287) 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, 81859 + ... + 82024.

It is an arithmetic number, because the mean of its divisors is an integer number (3441564).

Almost surely, 2^13602289 is an apocalyptic number.

It is an amenable number.

13602289 is a deficient number, since it is larger than the sum of its proper divisors (163967).

13602289 is an equidigital number, since it uses as much as digits as its factorization.

13602289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163966.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 13602289 is about 3688.1281159960. The cubic root of 13602289 is about 238.7100292177.

The spelling of 13602289 in words is "thirteen million, six hundred two thousand, two hundred eighty-nine".