12559369 has 2 divisors, whose sum is σ = 12559370. Its totient is φ = 12559368.

The previous prime is 12559367. The next prime is 12559373. The reversal of 12559369 is 96395521.

It is a happy number.

12559369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8410000 + 4149369 = 2900^2 + 2037^2 .

It is a cyclic number.

It is not a de Polignac number, because 12559369 - 2¹ = 12559367 is a prime.

It is a super-2 number, since 2×12559369² = 315475499356322, which contains 22 as substring.

Together with 12559367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12559367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6279684 + 6279685.

It is an arithmetic number, because the mean of its divisors is an integer number (6279685).

Almost surely, 2^12559369 is an apocalyptic number.

It is an amenable number.

12559369 is a deficient number, since it is larger than the sum of its proper divisors (1).

12559369 is an equidigital number, since it uses as much as digits as its factorization.

12559369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72900, while the sum is 40.

The square root of 12559369 is about 3543.9200047405. The cubic root of 12559369 is about 232.4462835013.

The spelling of 12559369 in words is "twelve million, five hundred fifty-nine thousand, three hundred sixty-nine".