12001328 has 10 divisors (see below), whose sum is σ = 23252604. Its totient is φ = 6000656.

The previous prime is 12001307. The next prime is 12001333. The reversal of 12001328 is 82310021.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375026 + ... + 375057.

Almost surely, 2^12001328 is an apocalyptic number.

It is an amenable number.

12001328 is a deficient number, since it is larger than the sum of its proper divisors (11251276).

12001328 is an equidigital number, since it uses as much as digits as its factorization.

12001328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750091 (or 750085 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 12001328 is about 3464.2932901243. The cubic root of 12001328 is about 228.9512936464.

Adding to 12001328 its reverse (82310021), we get a palindrome (94311349).

The spelling of 12001328 in words is "twelve million, one thousand, three hundred twenty-eight".