12006001 has 4 divisors (see below), whose sum is σ = 13721152. Its totient is φ = 10290852.

The previous prime is 12005963. The next prime is 12006017. The reversal of 12006001 is 10060021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10060021 = 47 ⋅214043.

It is a cyclic number.

It is not a de Polignac number, because 12006001 - 2⁹ = 12005489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12006031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 857565 + ... + 857578.

It is an arithmetic number, because the mean of its divisors is an integer number (3430288).

Almost surely, 2^12006001 is an apocalyptic number.

12006001 is the 2001-st hex number.

It is an amenable number.

12006001 is a deficient number, since it is larger than the sum of its proper divisors (1715151).

12006001 is an equidigital number, since it uses as much as digits as its factorization.

12006001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715150.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 12006001 is about 3464.9676766169. The cubic root of 12006001 is about 228.9810056517.

Adding to 12006001 its reverse (10060021), we get a palindrome (22066022).

It can be divided in two parts, 1 and 2006001, that added together give a palindrome (2006002).

The spelling of 12006001 in words is "twelve million, six thousand, one".