12006013 has 4 divisors (see below), whose sum is σ = 12013120. Its totient is φ = 11998908.

The previous prime is 12005963. The next prime is 12006017. The reversal of 12006013 is 31060021.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 31060021 = 89 ⋅348989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12006013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12005984 and 12006002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12006017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 598 + ... + 4936.

It is an arithmetic number, because the mean of its divisors is an integer number (3003280).

Almost surely, 2^12006013 is an apocalyptic number.

It is an amenable number.

12006013 is a deficient number, since it is larger than the sum of its proper divisors (7107).

12006013 is an equidigital number, since it uses as much as digits as its factorization.

12006013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7106.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 12006013 is about 3464.9694082344. The cubic root of 12006013 is about 228.9810819406.

Adding to 12006013 its reverse (31060021), we get a palindrome (43066034).

The spelling of 12006013 in words is "twelve million, six thousand, thirteen".