12006320 has 40 divisors (see below), whose sum is σ = 28081536. Its totient is φ = 4773888.

The previous prime is 12006311. The next prime is 12006343. The reversal of 12006320 is 2360021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 12006295 and 12006304.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 17504 + ... + 18176.

Almost surely, 2^12006320 is an apocalyptic number.

12006320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12006320 is an abundant number, since it is smaller than the sum of its proper divisors (16075216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12006320 is a wasteful number, since it uses less digits than its factorization.

12006320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12006320 is about 3465.0137084866. The cubic root of 12006320 is about 228.9830336457.

Adding to 12006320 its reverse (2360021), we get a palindrome (14366341).

The spelling of 12006320 in words is "twelve million, six thousand, three hundred twenty".