12279982 has 16 divisors (see below), whose sum is σ = 21640752. Its totient is φ = 5152320.

The previous prime is 12279973. The next prime is 12279991. The reversal of 12279982 is 28997221.

It is an interprime number because it is at equal distance from previous prime (12279973) and next prime (12279991).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21183 + ... + 21754.

It is an arithmetic number, because the mean of its divisors is an integer number (1352547).

Almost surely, 2^12279982 is an apocalyptic number.

12279982 is a deficient number, since it is larger than the sum of its proper divisors (9360770).

12279982 is a wasteful number, since it uses less digits than its factorization.

12279982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42963.

The product of its digits is 36288, while the sum is 40.

The square root of 12279982 is about 3504.2805253005. The cubic root of 12279982 is about 230.7097295428.

The spelling of 12279982 in words is "twelve million, two hundred seventy-nine thousand, nine hundred eighty-two".