12989044 has 12 divisors (see below), whose sum is σ = 22819104. Its totient is φ = 6469304.

The previous prime is 12989033. The next prime is 12989057. The reversal of 12989044 is 44098921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12988994 and 12989012.

It is a congruent number.

It is an unprimeable number.

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, 5122 + ... + 7225.

It is an arithmetic number, because the mean of its divisors is an integer number (1901592).

Almost surely, 2^12989044 is an apocalyptic number.

It is an amenable number.

12989044 is a deficient number, since it is larger than the sum of its proper divisors (9830060).

12989044 is a wasteful number, since it uses less digits than its factorization.

12989044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12614 (or 12612 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 12989044 is about 3604.0316313817. The cubic root of 12989044 is about 235.0673957896.

The spelling of 12989044 in words is "twelve million, nine hundred eighty-nine thousand, forty-four".