12604337017 has 4 divisors (see below), whose sum is σ = 12659378020. Its totient is φ = 12549296016.

The previous prime is 12604336999. The next prime is 12604337051. The reversal of 12604337017 is 71073340621.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10457312121 + 2147024896 = 102261^2 + 46336^2 .

It is a cyclic number.

It is not a de Polignac number, because 12604337017 - 2⁷ = 12604336889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12604337087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27520158 + ... + 27520615.

It is an arithmetic number, because the mean of its divisors is an integer number (3164844505).

Almost surely, 2^12604337017 is an apocalyptic number.

It is an amenable number.

12604337017 is a deficient number, since it is larger than the sum of its proper divisors (55041003).

12604337017 is an equidigital number, since it uses as much as digits as its factorization.

12604337017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55041002.

The product of its (nonzero) digits is 21168, while the sum is 34.

Adding to 12604337017 its reverse (71073340621), we get a palindrome (83677677638).

The spelling of 12604337017 in words is "twelve billion, six hundred four million, three hundred thirty-seven thousand, seventeen".