13047859 has 4 divisors (see below), whose sum is σ = 14234040. Its totient is φ = 11861680.

The previous prime is 13047829. The next prime is 13047863. The reversal of 13047859 is 95874031.

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

It is a cyclic number.

It is not a de Polignac number, because 13047859 - 2¹¹ = 13045811 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (13047809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 593074 + ... + 593095.

It is an arithmetic number, because the mean of its divisors is an integer number (3558510).

Almost surely, 2^13047859 is an apocalyptic number.

13047859 is a deficient number, since it is larger than the sum of its proper divisors (1186181).

13047859 is a wasteful number, since it uses less digits than its factorization.

13047859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186180.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 13047859 is about 3612.1820275285. The cubic root of 13047859 is about 235.4216603460.

The spelling of 13047859 in words is "thirteen million, forty-seven thousand, eight hundred fifty-nine".