12484889 has 2 divisors, whose sum is σ = 12484890. Its totient is φ = 12484888.

The previous prime is 12484861. The next prime is 12484907. The reversal of 12484889 is 98848421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12369289 + 115600 = 3517^2 + 340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12484889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12484189) 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, 6242444 + 6242445.

It is an arithmetic number, because the mean of its divisors is an integer number (6242445).

Almost surely, 2^12484889 is an apocalyptic number.

It is an amenable number.

12484889 is a deficient number, since it is larger than the sum of its proper divisors (1).

12484889 is an equidigital number, since it uses as much as digits as its factorization.

12484889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 44.

The square root of 12484889 is about 3533.3962415783. The cubic root of 12484889 is about 231.9858852392.

The spelling of 12484889 in words is "twelve million, four hundred eighty-four thousand, eight hundred eighty-nine".