12405082 has 8 divisors (see below), whose sum is σ = 18912852. Its totient is φ = 6100800.

The previous prime is 12405077. The next prime is 12405089. The reversal of 12405082 is 28050421.

It can be written as a sum of positive squares in 2 ways, for example, as 10686361 + 1718721 = 3269^2 + 1311^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12405089) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 50719 + ... + 50962.

Almost surely, 2^12405082 is an apocalyptic number.

12405082 is a deficient number, since it is larger than the sum of its proper divisors (6507770).

12405082 is a wasteful number, since it uses less digits than its factorization.

12405082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101744.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12405082 is about 3522.0848939229. The cubic root of 12405082 is about 231.4905214069.

The spelling of 12405082 in words is "twelve million, four hundred five thousand, eighty-two".