12199982 has 16 divisors (see below), whose sum is σ = 20220192. Its totient is φ = 5491200.

The previous prime is 12199969. The next prime is 12199991. The reversal of 12199982 is 28999121.

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 7 ways as a sum of consecutive naturals, for example, 7019 + ... + 8582.

It is an arithmetic number, because the mean of its divisors is an integer number (1263762).

Almost surely, 2^12199982 is an apocalyptic number.

12199982 is a deficient number, since it is larger than the sum of its proper divisors (8020210).

12199982 is a wasteful number, since it uses less digits than its factorization.

12199982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15643.

The product of its digits is 23328, while the sum is 41.

The square root of 12199982 is about 3492.8472626211. The cubic root of 12199982 is about 230.2076385793.

The spelling of 12199982 in words is "twelve million, one hundred ninety-nine thousand, nine hundred eighty-two".