12527939907289 has 3 divisors (see below), whose sum is σ = 12527943446773. Its totient is φ = 12527936367806.

The previous prime is 12527939907269. The next prime is 12527939907293. The reversal of 12527939907289 is 98270993972521.

The square root of 12527939907289 is 3539483.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 12527939907289 - 2²³ = 12527931518681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12527939907269) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1769742 + ... + 5309224.

Almost surely, 2^{12527939907289} is an apocalyptic number.

12527939907289 is the 3539483-rd square number.

12527939907289 is the 1769742-nd centered octagonal number.

It is an amenable number.

12527939907289 is a deficient number, since it is larger than the sum of its proper divisors (3539484).

12527939907289 is an frugal number, since it uses more digits than its factorization.

12527939907289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7078966 (or 3539483 counting only the distinct ones).

The product of its (nonzero) digits is 308629440, while the sum is 73.

The spelling of 12527939907289 in words is "twelve trillion, five hundred twenty-seven billion, nine hundred thirty-nine million, nine hundred seven thousand, two hundred eighty-nine".