12418005 has 8 divisors (see below), whose sum is σ = 19868832. Its totient is φ = 6622928.

The previous prime is 12417967. The next prime is 12418019. The reversal of 12418005 is 50081421.

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

It is a cyclic number.

It is not a de Polignac number, because 12418005 - 2⁸ = 12417749 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 413919 + ... + 413948.

It is an arithmetic number, because the mean of its divisors is an integer number (2483604).

Almost surely, 2^12418005 is an apocalyptic number.

12418005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12418005 is a deficient number, since it is larger than the sum of its proper divisors (7450827).

12418005 is an equidigital number, since it uses as much as digits as its factorization.

12418005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827875.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12418005 is about 3523.9189831777. The cubic root of 12418005 is about 231.5708786291.

Adding to 12418005 its reverse (50081421), we get a palindrome (62499426).

The spelling of 12418005 in words is "twelve million, four hundred eighteen thousand, five".