12558504713 has 4 divisors (see below), whose sum is σ = 12864809748. Its totient is φ = 12252199680.

The previous prime is 12558504697. The next prime is 12558504719. The reversal of 12558504713 is 31740585521.

It is a happy number.

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 2834178169 + 9724326544 = 53237^2 + 98612^2 .

It is a cyclic number.

It is not a de Polignac number, because 12558504713 - 2⁴ = 12558504697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 306304993 = 12558504713 / (1 + 2 + 5 + 5 + 8 + 5 + 0 + 4 + 7 + 1 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12558504719) 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, 153152456 + ... + 153152537.

It is an arithmetic number, because the mean of its divisors is an integer number (3216202437).

Almost surely, 2^12558504713 is an apocalyptic number.

It is an amenable number.

12558504713 is a deficient number, since it is larger than the sum of its proper divisors (306305035).

12558504713 is an equidigital number, since it uses as much as digits as its factorization.

12558504713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306305034.

The product of its (nonzero) digits is 168000, while the sum is 41.

The spelling of 12558504713 in words is "twelve billion, five hundred fifty-eight million, five hundred four thousand, seven hundred thirteen".