12328005 has 16 divisors (see below), whose sum is σ = 19911744. Its totient is φ = 6512640.

The previous prime is 12327949. The next prime is 12328007. The reversal of 12328005 is 50082321.

It is not a de Polignac number, because 12328005 - 2¹⁰ = 12326981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12328007) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2236 + ... + 5445.

It is an arithmetic number, because the mean of its divisors is an integer number (1244484).

Almost surely, 2^12328005 is an apocalyptic number.

12328005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12328005 is a deficient number, since it is larger than the sum of its proper divisors (7583739).

12328005 is a wasteful number, since it uses less digits than its factorization.

12328005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7796.

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

The square root of 12328005 is about 3511.1258878029. The cubic root of 12328005 is about 231.0100818298.

The spelling of 12328005 in words is "twelve million, three hundred twenty-eight thousand, five".