12997703393 has 2 divisors, whose sum is σ = 12997703394. Its totient is φ = 12997703392.

The previous prime is 12997703359. The next prime is 12997703431. The reversal of 12997703393 is 39330779921.

12997703393 is digitally balanced in base 2, 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., 7567782049 + 5429921344 = 86993^2 + 73688^2 .

It is a cyclic number.

It is not a de Polignac number, because 12997703393 - 2⁸ = 12997703137 is a prime.

It is not a weakly prime, because it can be changed into another prime (12997705393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6498851696 + 6498851697.

It is an arithmetic number, because the mean of its divisors is an integer number (6498851697).

Almost surely, 2^12997703393 is an apocalyptic number.

It is an amenable number.

12997703393 is a deficient number, since it is larger than the sum of its proper divisors (1).

12997703393 is an equidigital number, since it uses as much as digits as its factorization.

12997703393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1928934, while the sum is 53.

The spelling of 12997703393 in words is "twelve billion, nine hundred ninety-seven million, seven hundred three thousand, three hundred ninety-three".