12703997 has 2 divisors, whose sum is σ = 12703998. Its totient is φ = 12703996.

The previous prime is 12703927. The next prime is 12704009. The reversal of 12703997 is 79930721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9369721 + 3334276 = 3061^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 12703997 - 2⁸ = 12703741 is a prime.

It is a super-2 number, since 2×12703997² = 322783079552018, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12703997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12703907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6351998 + 6351999.

It is an arithmetic number, because the mean of its divisors is an integer number (6351999).

Almost surely, 2^12703997 is an apocalyptic number.

It is an amenable number.

12703997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12703997 is an equidigital number, since it uses as much as digits as its factorization.

12703997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 12703997 is about 3564.2666847474. The cubic root of 12703997 is about 233.3351290111.

The spelling of 12703997 in words is "twelve million, seven hundred three thousand, nine hundred ninety-seven".