12898289 has 2 divisors, whose sum is σ = 12898290. Its totient is φ = 12898288.

The previous prime is 12898279. The next prime is 12898307. The reversal of 12898289 is 98289821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8898289 + 4000000 = 2983^2 + 2000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12898289 - 2⁴ = 12898273 is a prime.

It is not a weakly prime, because it can be changed into another prime (12898229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6449144 + 6449145.

It is an arithmetic number, because the mean of its divisors is an integer number (6449145).

Almost surely, 2^12898289 is an apocalyptic number.

It is an amenable number.

12898289 is a deficient number, since it is larger than the sum of its proper divisors (1).

12898289 is an equidigital number, since it uses as much as digits as its factorization.

12898289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 47.

The square root of 12898289 is about 3591.4188004186. The cubic root of 12898289 is about 234.5186404593.

The spelling of 12898289 in words is "twelve million, eight hundred ninety-eight thousand, two hundred eighty-nine".