13204687 has 2 divisors, whose sum is σ = 13204688. Its totient is φ = 13204686.

The previous prime is 13204679. The next prime is 13204693. The reversal of 13204687 is 78640231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13204687 - 2³ = 13204679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13204627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6602343 + 6602344.

It is an arithmetic number, because the mean of its divisors is an integer number (6602344).

Almost surely, 2^13204687 is an apocalyptic number.

13204687 is a deficient number, since it is larger than the sum of its proper divisors (1).

13204687 is an equidigital number, since it uses as much as digits as its factorization.

13204687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 13204687 is about 3633.8253948147. The cubic root of 13204687 is about 236.3611188409.

The spelling of 13204687 in words is "thirteen million, two hundred four thousand, six hundred eighty-seven".