12553289 has 8 divisors (see below), whose sum is σ = 14374080. Its totient is φ = 10739376.

The previous prime is 12553279. The next prime is 12553301. The reversal of 12553289 is 98235521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12553289 - 2⁴ = 12553273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12553279) 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 in 7 ways as a sum of consecutive naturals, for example, 3107 + ... + 5895.

It is an arithmetic number, because the mean of its divisors is an integer number (1796760).

Almost surely, 2^12553289 is an apocalyptic number.

It is an amenable number.

12553289 is a deficient number, since it is larger than the sum of its proper divisors (1820791).

12553289 is an equidigital number, since it uses as much as digits as its factorization.

12553289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3439.

The product of its digits is 21600, while the sum is 35.

The square root of 12553289 is about 3543.0620937263. The cubic root of 12553289 is about 232.4087683065.

The spelling of 12553289 in words is "twelve million, five hundred fifty-three thousand, two hundred eighty-nine".