12249982 has 4 divisors (see below), whose sum is σ = 18374976. Its totient is φ = 6124990.

The previous prime is 12249973. The next prime is 12249983. The reversal of 12249982 is 28994221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3062494 + ... + 3062497.

It is an arithmetic number, because the mean of its divisors is an integer number (4593744).

Almost surely, 2^12249982 is an apocalyptic number.

12249982 is a deficient number, since it is larger than the sum of its proper divisors (6124994).

12249982 is an equidigital number, since it uses as much as digits as its factorization.

12249982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124993.

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

The square root of 12249982 is about 3499.9974285705. The cubic root of 12249982 is about 230.5217016942.

It can be divided in two parts, 12249 and 982, that added together give a palindrome (13231).

The spelling of 12249982 in words is "twelve million, two hundred forty-nine thousand, nine hundred eighty-two".