12338556 has 12 divisors (see below), whose sum is σ = 28789992. Its totient is φ = 4112848.

The previous prime is 12338539. The next prime is 12338567. The reversal of 12338556 is 65583321.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 514095 + ... + 514118.

It is an arithmetic number, because the mean of its divisors is an integer number (2399166).

Almost surely, 2^12338556 is an apocalyptic number.

It is an amenable number.

12338556 is an abundant number, since it is smaller than the sum of its proper divisors (16451436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12338556 is a wasteful number, since it uses less digits than its factorization.

12338556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028220 (or 1028218 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 12338556 is about 3512.6280759568. The cubic root of 12338556 is about 231.0759668440.

The spelling of 12338556 in words is "twelve million, three hundred thirty-eight thousand, five hundred fifty-six".