12382005 has 8 divisors (see below), whose sum is σ = 19811232. Its totient is φ = 6603728.

The previous prime is 12381991. The next prime is 12382021. The reversal of 12382005 is 50028321.

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 12382005 - 2⁵ = 12381973 is a prime.

It is a super-3 number, since 3×12382005³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 412719 + ... + 412748.

It is an arithmetic number, because the mean of its divisors is an integer number (2476404).

Almost surely, 2^12382005 is an apocalyptic number.

12382005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12382005 is a deficient number, since it is larger than the sum of its proper divisors (7429227).

12382005 is an equidigital number, since it uses as much as digits as its factorization.

12382005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 825475.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12382005 is about 3518.8073263536. The cubic root of 12382005 is about 231.3468861127.

It can be divided in two parts, 123 and 82005, that added together give a palindrome (82128).

The spelling of 12382005 in words is "twelve million, three hundred eighty-two thousand, five".