12706997 has 2 divisors, whose sum is σ = 12706998. Its totient is φ = 12706996.

The previous prime is 12706987. The next prime is 12707003. The reversal of 12706997 is 79960721.

It is a happy number.

12706997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12348196 + 358801 = 3514^2 + 599^2 .

It is a cyclic number.

It is not a de Polignac number, because 12706997 - 2²⁰ = 11658421 is a prime.

It is a super-2 number, since 2×12706997² = 322935545516018, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12706937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6353498 + 6353499.

It is an arithmetic number, because the mean of its divisors is an integer number (6353499).

Almost surely, 2^12706997 is an apocalyptic number.

It is an amenable number.

12706997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12706997 is an equidigital number, since it uses as much as digits as its factorization.

12706997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 41.

The square root of 12706997 is about 3564.6875038354. The cubic root of 12706997 is about 233.3534946298.

The spelling of 12706997 in words is "twelve million, seven hundred six thousand, nine hundred ninety-seven".