12899017 has 2 divisors, whose sum is σ = 12899018. Its totient is φ = 12899016.

The previous prime is 12898987. The next prime is 12899077. The reversal of 12899017 is 71099821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7750656 + 5148361 = 2784^2 + 2269^2 .

It is a cyclic number.

It is not a de Polignac number, because 12899017 - 2⁷ = 12898889 is a prime.

It is not a weakly prime, because it can be changed into another prime (12899077) by changing a digit.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449508 + 6449509.

It is an arithmetic number, because the mean of its divisors is an integer number (6449509).

Almost surely, 2^12899017 is an apocalyptic number.

It is an amenable number.

12899017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12899017 is an equidigital number, since it uses as much as digits as its factorization.

12899017 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 12899017 is about 3591.5201516906. The cubic root of 12899017 is about 234.5230525783.

The spelling of 12899017 in words is "twelve million, eight hundred ninety-nine thousand, seventeen".