12660014 has 8 divisors (see below), whose sum is σ = 19394208. Its totient is φ = 6195280.

The previous prime is 12660013. The next prime is 12660091. The reversal of 12660014 is 41006621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660013) 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 in 3 ways as a sum of consecutive naturals, for example, 67247 + ... + 67434.

It is an arithmetic number, because the mean of its divisors is an integer number (2424276).

Almost surely, 2^12660014 is an apocalyptic number.

12660014 is a deficient number, since it is larger than the sum of its proper divisors (6734194).

12660014 is a wasteful number, since it uses less digits than its factorization.

12660014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134730.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12660014 is about 3558.0913422789. The cubic root of 12660014 is about 233.0655381222.

Adding to 12660014 its reverse (41006621), we get a palindrome (53666635).

The spelling of 12660014 in words is "twelve million, six hundred sixty thousand, fourteen".