12570689 has 2 divisors, whose sum is σ = 12570690. Its totient is φ = 12570688.

The previous prime is 12570637. The next prime is 12570703. The reversal of 12570689 is 98607521.

12570689 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., 9560464 + 3010225 = 3092^2 + 1735^2 .

It is an emirp because it is prime and its reverse (98607521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12570689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (12570619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6285344 + 6285345.

It is an arithmetic number, because the mean of its divisors is an integer number (6285345).

Almost surely, 2^12570689 is an apocalyptic number.

It is an amenable number.

12570689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12570689 is an equidigital number, since it uses as much as digits as its factorization.

12570689 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 12570689 is about 3545.5167465406. The cubic root of 12570689 is about 232.5160986271.

The spelling of 12570689 in words is "twelve million, five hundred seventy thousand, six hundred eighty-nine".