12489182 has 4 divisors (see below), whose sum is σ = 18733776. Its totient is φ = 6244590.

The previous prime is 12489167. The next prime is 12489229. The reversal of 12489182 is 28198421.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3122294 + ... + 3122297.

It is an arithmetic number, because the mean of its divisors is an integer number (4683444).

Almost surely, 2^12489182 is an apocalyptic number.

12489182 is a deficient number, since it is larger than the sum of its proper divisors (6244594).

12489182 is an equidigital number, since it uses as much as digits as its factorization.

12489182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6244593.

The product of its digits is 9216, while the sum is 35.

The square root of 12489182 is about 3534.0036785493. The cubic root of 12489182 is about 232.0124720802.

The spelling of 12489182 in words is "twelve million, four hundred eighty-nine thousand, one hundred eighty-two".