13304687 has 4 divisors (see below), whose sum is σ = 14514216. Its totient is φ = 12095160.

The previous prime is 13304653. The next prime is 13304689. The reversal of 13304687 is 78640331.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-13304687 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 (13304689) 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, 604748 + ... + 604769.

It is an arithmetic number, because the mean of its divisors is an integer number (3628554).

Almost surely, 2^13304687 is an apocalyptic number.

13304687 is a deficient number, since it is larger than the sum of its proper divisors (1209529).

13304687 is a wasteful number, since it uses less digits than its factorization.

13304687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1209528.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 13304687 is about 3647.5590468147. The cubic root of 13304687 is about 236.9562786173.

The spelling of 13304687 in words is "thirteen million, three hundred four thousand, six hundred eighty-seven".