12506055313 has 4 divisors (see below), whose sum is σ = 12518989120. Its totient is φ = 12493121508.

The previous prime is 12506055307. The next prime is 12506055337. The reversal of 12506055313 is 31355060521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31355060521 = 73 ⋅429521377.

It is a cyclic number.

It is not a de Polignac number, because 12506055313 - 2¹³ = 12506047121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12506055343) 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, 6465453 + ... + 6467386.

It is an arithmetic number, because the mean of its divisors is an integer number (3129747280).

Almost surely, 2^12506055313 is an apocalyptic number.

It is an amenable number.

12506055313 is a deficient number, since it is larger than the sum of its proper divisors (12933807).

12506055313 is an equidigital number, since it uses as much as digits as its factorization.

12506055313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12933806.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 12506055313 in words is "twelve billion, five hundred six million, fifty-five thousand, three hundred thirteen".