13204559 has 2 divisors, whose sum is σ = 13204560. Its totient is φ = 13204558.

The previous prime is 13204537. The next prime is 13204567. The reversal of 13204559 is 95540231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13204559 - 2¹² = 13200463 is a prime.

It is a Chen prime.

It is equal to p₈₆₁₆₈₀ and since 13204559 and 861680 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13204519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602279 + 6602280.

It is an arithmetic number, because the mean of its divisors is an integer number (6602280).

Almost surely, 2^13204559 is an apocalyptic number.

13204559 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204559 is an equidigital number, since it uses as much as digits as its factorization.

13204559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 13204559 is about 3633.8077824783. The cubic root of 13204559 is about 236.3603551140.

The spelling of 13204559 in words is "thirteen million, two hundred four thousand, five hundred fifty-nine".