12989017 has 2 divisors, whose sum is σ = 12989018. Its totient is φ = 12989016.

The previous prime is 12988957. The next prime is 12989023. The reversal of 12989017 is 71098921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 179776 = 3579^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 12989017 - 2⁷ = 12988889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12989057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494508 + 6494509.

It is an arithmetic number, because the mean of its divisors is an integer number (6494509).

Almost surely, 2^12989017 is an apocalyptic number.

It is an amenable number.

12989017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12989017 is an equidigital number, since it uses as much as digits as its factorization.

12989017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The square root of 12989017 is about 3604.0278855747. The cubic root of 12989017 is about 235.0672329133.

The spelling of 12989017 in words is "twelve million, nine hundred eighty-nine thousand, seventeen".