12770189 has 2 divisors, whose sum is σ = 12770190. Its totient is φ = 12770188.

The previous prime is 12770141. The next prime is 12770201. The reversal of 12770189 is 98107721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6604900 + 6165289 = 2570^2 + 2483^2 .

It is an emirp because it is prime and its reverse (98107721) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12770189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12770089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6385094 + 6385095.

It is an arithmetic number, because the mean of its divisors is an integer number (6385095).

Almost surely, 2^12770189 is an apocalyptic number.

It is an amenable number.

12770189 is a deficient number, since it is larger than the sum of its proper divisors (1).

12770189 is an equidigital number, since it uses as much as digits as its factorization.

12770189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12770189 is about 3573.5401215042. The cubic root of 12770189 is about 233.7396781167.

The spelling of 12770189 in words is "twelve million, seven hundred seventy thousand, one hundred eighty-nine".