12889073 has 2 divisors, whose sum is σ = 12889074. Its totient is φ = 12889072.

The previous prime is 12889033. The next prime is 12889091. The reversal of 12889073 is 37098821.

12889073 is digitally balanced in base 3, 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., 11607649 + 1281424 = 3407^2 + 1132^2 .

It is an emirp because it is prime and its reverse (37098821) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12889073 is a prime.

It is a super-2 number, since 2×12889073² = 332256405598658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12889013) 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, 6444536 + 6444537.

It is an arithmetic number, because the mean of its divisors is an integer number (6444537).

Almost surely, 2^12889073 is an apocalyptic number.

It is an amenable number.

12889073 is a deficient number, since it is larger than the sum of its proper divisors (1).

12889073 is an equidigital number, since it uses as much as digits as its factorization.

12889073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12889073 is about 3590.1355127627. The cubic root of 12889073 is about 234.4627715824.

The spelling of 12889073 in words is "twelve million, eight hundred eighty-nine thousand, seventy-three".