12255389 has 8 divisors (see below), whose sum is σ = 12934080. Its totient is φ = 11588896.

The previous prime is 12255379. The next prime is 12255403. The reversal of 12255389 is 98355221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12255389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255319) 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 in 7 ways as a sum of consecutive naturals, for example, 947 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (1616760).

Almost surely, 2^12255389 is an apocalyptic number.

It is an amenable number.

12255389 is a deficient number, since it is larger than the sum of its proper divisors (678691).

12255389 is an equidigital number, since it uses as much as digits as its factorization.

12255389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099.

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

The square root of 12255389 is about 3500.7697724929. The cubic root of 12255389 is about 230.5556132406. Note that the first 3 decimals are identical.

The spelling of 12255389 in words is "twelve million, two hundred fifty-five thousand, three hundred eighty-nine".