12006145 has 16 divisors (see below), whose sum is σ = 15390720. Its totient is φ = 8971200.

The previous prime is 12006133. The next prime is 12006179. The reversal of 12006145 is 54160021.

12006145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12006145 - 2⁷ = 12006017 is a prime.

It is a super-2 number, since 2×12006145² = 288295035522050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3160 + ... + 5830.

It is an arithmetic number, because the mean of its divisors is an integer number (961920).

Almost surely, 2^12006145 is an apocalyptic number.

It is an amenable number.

12006145 is a deficient number, since it is larger than the sum of its proper divisors (3384575).

12006145 is a wasteful number, since it uses less digits than its factorization.

12006145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2736.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12006145 is about 3464.9884559692. The cubic root of 12006145 is about 228.9819211143.

Adding to 12006145 its reverse (54160021), we get a palindrome (66166166).

The spelling of 12006145 in words is "twelve million, six thousand, one hundred forty-five".