13004791 has 8 divisors (see below), whose sum is σ = 13394304. Its totient is φ = 12619320.

The previous prime is 13004777. The next prime is 13004801. The reversal of 13004791 is 19740031.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13004791 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 (13004491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6276 + ... + 8086.

It is an arithmetic number, because the mean of its divisors is an integer number (1674288).

Almost surely, 2^13004791 is an apocalyptic number.

13004791 is a deficient number, since it is larger than the sum of its proper divisors (389513).

13004791 is a wasteful number, since it uses less digits than its factorization.

13004791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 13004791 is about 3606.2156064218. The cubic root of 13004791 is about 235.1623504666.

The spelling of 13004791 in words is "thirteen million, four thousand, seven hundred ninety-one".