12001007 has 4 divisors (see below), whose sum is σ = 12008160. Its totient is φ = 11993856.

The previous prime is 12001001. The next prime is 12001021. The reversal of 12001007 is 70010021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70010021 = 367 ⋅190763.

It is a cyclic number.

It is not a de Polignac number, because 12001007 - 2¹² = 11996911 is a prime.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 458 + ... + 4920.

It is an arithmetic number, because the mean of its divisors is an integer number (3002040).

Almost surely, 2^12001007 is an apocalyptic number.

12001007 is a deficient number, since it is larger than the sum of its proper divisors (7153).

12001007 is an equidigital number, since it uses as much as digits as its factorization.

12001007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152.

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 12001007 is about 3464.2469600189. The cubic root of 12001007 is about 228.9492523718.

Adding to 12001007 its reverse (70010021), we get a palindrome (82011028).

The spelling of 12001007 in words is "twelve million, one thousand, seven".