12940659527 has 2 divisors, whose sum is σ = 12940659528. Its totient is φ = 12940659526.

The previous prime is 12940659521. The next prime is 12940659547. The reversal of 12940659527 is 72595604921.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12940659527 - 2¹⁴ = 12940643143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12940659521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6470329763 + 6470329764.

It is an arithmetic number, because the mean of its divisors is an integer number (6470329764).

Almost surely, 2^12940659527 is an apocalyptic number.

12940659527 is a deficient number, since it is larger than the sum of its proper divisors (1).

12940659527 is an equidigital number, since it uses as much as digits as its factorization.

12940659527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 12940659527 in words is "twelve billion, nine hundred forty million, six hundred fifty-nine thousand, five hundred twenty-seven".