12986527 has 2 divisors, whose sum is σ = 12986528. Its totient is φ = 12986526.

The previous prime is 12986509. The next prime is 12986563. The reversal of 12986527 is 72568921.

12986527 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (72568921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12986527 - 2⁷ = 12986399 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12986527.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12986507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6493263 + 6493264.

It is an arithmetic number, because the mean of its divisors is an integer number (6493264).

Almost surely, 2^12986527 is an apocalyptic number.

12986527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12986527 is an equidigital number, since it uses as much as digits as its factorization.

12986527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 12986527 is about 3603.6824221898. The cubic root of 12986527 is about 235.0522111243.

The spelling of 12986527 in words is "twelve million, nine hundred eighty-six thousand, five hundred twenty-seven".