12001006 has 4 divisors (see below), whose sum is σ = 18001512. Its totient is φ = 6000502.

The previous prime is 12001001. The next prime is 12001021. The reversal of 12001006 is 60010021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60010021 = 59 ⋅1017119.

It is a junction number, because it is equal to n+sod(n) for n = 12000983 and 12001001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000250 + ... + 3000253.

It is an arithmetic number, because the mean of its divisors is an integer number (4500378).

Almost surely, 2^12001006 is an apocalyptic number.

12001006 is a deficient number, since it is larger than the sum of its proper divisors (6000506).

12001006 is an equidigital number, since it uses as much as digits as its factorization.

12001006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000505.

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

The square root of 12001006 is about 3464.2468156874. The cubic root of 12001006 is about 228.9492460126.

Adding to 12001006 its reverse (60010021), we get a palindrome (72011027).

The spelling of 12001006 in words is "twelve million, one thousand, six".