13608229 has 4 divisors (see below), whose sum is σ = 13636000. Its totient is φ = 13580460.

The previous prime is 13608223. The next prime is 13608247. The reversal of 13608229 is 92280631.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13608229 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 13608229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13608223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13137 + ... + 14134.

It is an arithmetic number, because the mean of its divisors is an integer number (3409000).

Almost surely, 2^13608229 is an apocalyptic number.

It is an amenable number.

13608229 is a deficient number, since it is larger than the sum of its proper divisors (27771).

13608229 is an equidigital number, since it uses as much as digits as its factorization.

13608229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27770.

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

The square root of 13608229 is about 3688.9333146589. The cubic root of 13608229 is about 238.7447716845.

The spelling of 13608229 in words is "thirteen million, six hundred eight thousand, two hundred twenty-nine".