12698057 has 2 divisors, whose sum is σ = 12698058. Its totient is φ = 12698056.

The previous prime is 12698051. The next prime is 12698089. The reversal of 12698057 is 75089621.

12698057 is digitally balanced in base 3, 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., 6990736 + 5707321 = 2644^2 + 2389^2 .

It is an emirp because it is prime and its reverse (75089621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12698057 - 2²⁰ = 11649481 is a prime.

It is a super-2 number, since 2×12698057² = 322481303150498, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12698057.

It is not a weakly prime, because it can be changed into another prime (12698051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6349028 + 6349029.

It is an arithmetic number, because the mean of its divisors is an integer number (6349029).

Almost surely, 2^12698057 is an apocalyptic number.

It is an amenable number.

12698057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12698057 is an equidigital number, since it uses as much as digits as its factorization.

12698057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 12698057 is about 3563.4333163397. The cubic root of 12698057 is about 233.2987565545.

The spelling of 12698057 in words is "twelve million, six hundred ninety-eight thousand, fifty-seven".