12489212 has 12 divisors (see below), whose sum is σ = 22050336. Its totient is φ = 6189120.

The previous prime is 12489167. The next prime is 12489229. The reversal of 12489212 is 21298421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13364 + ... + 14267.

It is an arithmetic number, because the mean of its divisors is an integer number (1837528).

Almost surely, 2^12489212 is an apocalyptic number.

It is an amenable number.

12489212 is a deficient number, since it is larger than the sum of its proper divisors (9561124).

12489212 is a wasteful number, since it uses less digits than its factorization.

12489212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27748 (or 27746 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12489212 is about 3534.0079230245. The cubic root of 12489212 is about 232.0126578508.

The spelling of 12489212 in words is "twelve million, four hundred eighty-nine thousand, two hundred twelve".