13004065 has 8 divisors (see below), whose sum is σ = 16522920. Its totient is φ = 9791232.

The previous prime is 13004063. The next prime is 13004071. The reversal of 13004065 is 56040031.

It can be written as a sum of positive squares in 4 ways, for example, as 130321 + 12873744 = 361^2 + 3588^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13004065 - 2¹ = 13004063 is a prime.

13004065 is a modest number, since divided by 4065 gives 130 as remainder.

It is not an unprimeable number, because it can be changed into a prime (13004063) 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 7 ways as a sum of consecutive naturals, for example, 76410 + ... + 76579.

It is an arithmetic number, because the mean of its divisors is an integer number (2065365).

Almost surely, 2^13004065 is an apocalyptic number.

It is an amenable number.

13004065 is a deficient number, since it is larger than the sum of its proper divisors (3518855).

13004065 is a wasteful number, since it uses less digits than its factorization.

13004065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153011.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 13004065 is about 3606.1149454780. The cubic root of 13004065 is about 235.1579743603.

Adding to 13004065 its reverse (56040031), we get a palindrome (69044096).

The spelling of 13004065 in words is "thirteen million, four thousand, sixty-five".