12827539 has 2 divisors, whose sum is σ = 12827540. Its totient is φ = 12827538.

The previous prime is 12827531. The next prime is 12827557. The reversal of 12827539 is 93572821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12827539 - 2³ = 12827531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12827498 and 12827507.

It is not a weakly prime, because it can be changed into another prime (12827531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6413769 + 6413770.

It is an arithmetic number, because the mean of its divisors is an integer number (6413770).

Almost surely, 2^12827539 is an apocalyptic number.

12827539 is a deficient number, since it is larger than the sum of its proper divisors (1).

12827539 is an equidigital number, since it uses as much as digits as its factorization.

12827539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 12827539 is about 3581.5553883753. Note that the first 3 decimals coincide. The cubic root of 12827539 is about 234.0890583161.

It can be divided in two parts, 12827 and 539, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 12827539 in words is "twelve million, eight hundred twenty-seven thousand, five hundred thirty-nine".