12577534313 has 4 divisors (see below), whose sum is σ = 12578878788. Its totient is φ = 12576189840.

The previous prime is 12577534301. The next prime is 12577534327. The reversal of 12577534313 is 31343577521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31343577521 = 127 ⋅246799823.

It can be written as a sum of positive squares in 2 ways, for example, as 2667929104 + 9909605209 = 51652^2 + 99547^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12577534313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12577534373) 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, 658106 + ... + 676947.

It is an arithmetic number, because the mean of its divisors is an integer number (3144719697).

Almost surely, 2^12577534313 is an apocalyptic number.

It is an amenable number.

12577534313 is a deficient number, since it is larger than the sum of its proper divisors (1344475).

12577534313 is an equidigital number, since it uses as much as digits as its factorization.

12577534313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344474.

The product of its digits is 264600, while the sum is 41.

The spelling of 12577534313 in words is "twelve billion, five hundred seventy-seven million, five hundred thirty-four thousand, three hundred thirteen".