12652521547 has 2 divisors, whose sum is σ = 12652521548. Its totient is φ = 12652521546.

The previous prime is 12652521523. The next prime is 12652521571. The reversal of 12652521547 is 74512525621.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (12652521523) and next prime (12652521571).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12652521547 is a prime.

It is not a weakly prime, because it can be changed into another prime (12652521247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326260773 + 6326260774.

It is an arithmetic number, because the mean of its divisors is an integer number (6326260774).

Almost surely, 2^12652521547 is an apocalyptic number.

12652521547 is a deficient number, since it is larger than the sum of its proper divisors (1).

12652521547 is an equidigital number, since it uses as much as digits as its factorization.

12652521547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168000, while the sum is 40.

The spelling of 12652521547 in words is "twelve billion, six hundred fifty-two million, five hundred twenty-one thousand, five hundred forty-seven".