12790997 has 2 divisors, whose sum is σ = 12790998. Its totient is φ = 12790996.

The previous prime is 12790993. The next prime is 12791033. The reversal of 12790997 is 79909721.

12790997 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., 8814961 + 3976036 = 2969^2 + 1994^2 .

It is a cyclic number.

It is not a de Polignac number, because 12790997 - 2² = 12790993 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12790993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6395498 + 6395499.

It is an arithmetic number, because the mean of its divisors is an integer number (6395499).

Almost surely, 2^12790997 is an apocalyptic number.

It is an amenable number.

12790997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12790997 is an equidigital number, since it uses as much as digits as its factorization.

12790997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 71442, while the sum is 44.

The square root of 12790997 is about 3576.4503351787. The cubic root of 12790997 is about 233.8665625860.

The spelling of 12790997 in words is "twelve million, seven hundred ninety thousand, nine hundred ninety-seven".