12827533517 has 4 divisors (see below), whose sum is σ = 13502666880. Its totient is φ = 12152400156.

The previous prime is 12827533471. The next prime is 12827533541. The reversal of 12827533517 is 71533572821.

12827533517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12827533517 is a prime.

It is a super-2 number, since 2×12827533517² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12827533567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337566653 + ... + 337566690.

It is an arithmetic number, because the mean of its divisors is an integer number (3375666720).

Almost surely, 2^12827533517 is an apocalyptic number.

It is an amenable number.

12827533517 is a deficient number, since it is larger than the sum of its proper divisors (675133363).

12827533517 is an equidigital number, since it uses as much as digits as its factorization.

12827533517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675133362.

The product of its digits is 352800, while the sum is 44.

The spelling of 12827533517 in words is "twelve billion, eight hundred twenty-seven million, five hundred thirty-three thousand, five hundred seventeen".