12660607 has 4 divisors (see below), whose sum is σ = 12726400. Its totient is φ = 12594816.

The previous prime is 12660589. The next prime is 12660629. The reversal of 12660607 is 70606621.

12660607 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12660607 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 (12660647) 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, 32607 + ... + 32992.

It is an arithmetic number, because the mean of its divisors is an integer number (3181600).

Almost surely, 2^12660607 is an apocalyptic number.

12660607 is a deficient number, since it is larger than the sum of its proper divisors (65793).

12660607 is an equidigital number, since it uses as much as digits as its factorization.

12660607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65792.

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

The square root of 12660607 is about 3558.1746724971. The cubic root of 12660607 is about 233.0691770256.

The spelling of 12660607 in words is "twelve million, six hundred sixty thousand, six hundred seven".