12994489 has 2 divisors, whose sum is σ = 12994490. Its totient is φ = 12994488.

The previous prime is 12994483. The next prime is 12994493. The reversal of 12994489 is 98449921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10188864 + 2805625 = 3192^2 + 1675^2 .

It is an emirp because it is prime and its reverse (98449921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12994489 - 2³ = 12994481 is a prime.

It is a super-2 number, since 2×12994489² = 337713488742242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12994481) 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, 6497244 + 6497245.

It is an arithmetic number, because the mean of its divisors is an integer number (6497245).

Almost surely, 2^12994489 is an apocalyptic number.

It is an amenable number.

12994489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12994489 is an equidigital number, since it uses as much as digits as its factorization.

12994489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 46.

The square root of 12994489 is about 3604.7869562569. The cubic root of 12994489 is about 235.1002379080.

The spelling of 12994489 in words is "twelve million, nine hundred ninety-four thousand, four hundred eighty-nine".