12944558 has 8 divisors (see below), whose sum is σ = 21182040. Its totient is φ = 5883880.

The previous prime is 12944557. The next prime is 12944563. The reversal of 12944558 is 85544921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12944551) 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 3 ways as a sum of consecutive naturals, for example, 294173 + ... + 294216.

It is an arithmetic number, because the mean of its divisors is an integer number (2647755).

Almost surely, 2^12944558 is an apocalyptic number.

12944558 is a deficient number, since it is larger than the sum of its proper divisors (8237482).

12944558 is a wasteful number, since it uses less digits than its factorization.

12944558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588402.

The product of its digits is 57600, while the sum is 38.

The square root of 12944558 is about 3597.8546385311. The cubic root of 12944558 is about 234.7987291301.

The spelling of 12944558 in words is "twelve million, nine hundred forty-four thousand, five hundred fifty-eight".