12660797 has 2 divisors, whose sum is σ = 12660798. Its totient is φ = 12660796.

The previous prime is 12660793. The next prime is 12660811. The reversal of 12660797 is 79706621.

12660797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11978521 + 682276 = 3461^2 + 826^2 .

It is a cyclic number.

It is not a de Polignac number, because 12660797 - 2² = 12660793 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 12660797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12660793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6330398 + 6330399.

It is an arithmetic number, because the mean of its divisors is an integer number (6330399).

Almost surely, 2^12660797 is an apocalyptic number.

It is an amenable number.

12660797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12660797 is an equidigital number, since it uses as much as digits as its factorization.

12660797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 12660797 is about 3558.2013714797. The cubic root of 12660797 is about 233.0703429234.

The spelling of 12660797 in words is "twelve million, six hundred sixty thousand, seven hundred ninety-seven".