12838997 has 2 divisors, whose sum is σ = 12838998. Its totient is φ = 12838996.

The previous prime is 12838993. The next prime is 12839011. The reversal of 12838997 is 79983821.

12838997 is digitally balanced in base 2 and base 3, because in such bases 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 + 4024036 = 2969^2 + 2006^2 .

It is an emirp because it is prime and its reverse (79983821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12838997 - 2² = 12838993 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 (12838993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6419498 + 6419499.

It is an arithmetic number, because the mean of its divisors is an integer number (6419499).

Almost surely, 2^12838997 is an apocalyptic number.

It is an amenable number.

12838997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12838997 is an equidigital number, since it uses as much as digits as its factorization.

12838997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 47.

The square root of 12838997 is about 3583.1546156983. The cubic root of 12838997 is about 234.1587363792.

The spelling of 12838997 in words is "twelve million, eight hundred thirty-eight thousand, nine hundred ninety-seven".