13004569 has 4 divisors (see below), whose sum is σ = 13689040. Its totient is φ = 12320100.

The previous prime is 13004543. The next prime is 13004587. The reversal of 13004569 is 96540031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13004569 - 2²¹ = 10907417 is a prime.

It is a super-2 number, since 2×13004569² = 338237629751522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13004539) 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, 342207 + ... + 342244.

It is an arithmetic number, because the mean of its divisors is an integer number (3422260).

Almost surely, 2^13004569 is an apocalyptic number.

13004569 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13004569 is a deficient number, since it is larger than the sum of its proper divisors (684471).

13004569 is an equidigital number, since it uses as much as digits as its factorization.

13004569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684470.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13004569 is about 3606.1848261008. The cubic root of 13004569 is about 235.1610123357.

The spelling of 13004569 in words is "thirteen million, four thousand, five hundred sixty-nine".