12807525893 has 2 divisors, whose sum is σ = 12807525894. Its totient is φ = 12807525892.

The previous prime is 12807525799. The next prime is 12807525917. The reversal of 12807525893 is 39852570821.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12334767844 + 472758049 = 111062^2 + 21743^2 .

It is a cyclic number.

It is not a de Polignac number, because 12807525893 - 2¹⁴ = 12807509509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12807521893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6403762946 + 6403762947.

It is an arithmetic number, because the mean of its divisors is an integer number (6403762947).

Almost surely, 2^12807525893 is an apocalyptic number.

It is an amenable number.

12807525893 is a deficient number, since it is larger than the sum of its proper divisors (1).

12807525893 is an equidigital number, since it uses as much as digits as its factorization.

12807525893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1209600, while the sum is 50.

The spelling of 12807525893 in words is "twelve billion, eight hundred seven million, five hundred twenty-five thousand, eight hundred ninety-three".