13204045 has 8 divisors (see below), whose sum is σ = 15900696. Its totient is φ = 10526016.

The previous prime is 13204043. The next prime is 13204067. The reversal of 13204045 is 54040231.

It can be written as a sum of positive squares in 4 ways, for example, as 3944196 + 9259849 = 1986^2 + 3043^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13204045 - 2¹ = 13204043 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204043) 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 7 ways as a sum of consecutive naturals, for example, 3042 + ... + 5971.

It is an arithmetic number, because the mean of its divisors is an integer number (1987587).

Almost surely, 2^13204045 is an apocalyptic number.

It is an amenable number.

13204045 is a deficient number, since it is larger than the sum of its proper divisors (2696651).

13204045 is an equidigital number, since it uses as much as digits as its factorization.

13204045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9311.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 13204045 is about 3633.7370570805. The cubic root of 13204045 is about 236.3572882238.

Adding to 13204045 its reverse (54040231), we get a palindrome (67244276).

The spelling of 13204045 in words is "thirteen million, two hundred four thousand, forty-five".