12607066 has 4 divisors (see below), whose sum is σ = 18910602. Its totient is φ = 6303532.

The previous prime is 12607043. The next prime is 12607069. The reversal of 12607066 is 66070621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12075625 + 531441 = 3475^2 + 729^2 .

It is a super-2 number, since 2×12607066² = 317876226256712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12607069) by changing a digit.

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 as a sum of consecutive naturals, namely, 3151765 + ... + 3151768.

Almost surely, 2^12607066 is an apocalyptic number.

12607066 is a deficient number, since it is larger than the sum of its proper divisors (6303536).

12607066 is an equidigital number, since it uses as much as digits as its factorization.

12607066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6303535.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 12607066 is about 3550.6430403520. The cubic root of 12607066 is about 232.7401672894.

Adding to 12607066 its reverse (66070621), we get a palindrome (78677687).

The spelling of 12607066 in words is "twelve million, six hundred seven thousand, sixty-six".