12788700697 has 2 divisors, whose sum is σ = 12788700698. Its totient is φ = 12788700696.

The previous prime is 12788700641. The next prime is 12788700703. The reversal of 12788700697 is 79600788721.

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., 12646351936 + 142348761 = 112456^2 + 11931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12788700697 is a prime.

It is not a weakly prime, because it can be changed into another prime (12788700637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6394350348 + 6394350349.

It is an arithmetic number, because the mean of its divisors is an integer number (6394350349).

Almost surely, 2^12788700697 is an apocalyptic number.

It is an amenable number.

12788700697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788700697 is an equidigital number, since it uses as much as digits as its factorization.

12788700697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 55.

The spelling of 12788700697 in words is "twelve billion, seven hundred eighty-eight million, seven hundred thousand, six hundred ninety-seven".