12665014 has 4 divisors (see below), whose sum is σ = 18997524. Its totient is φ = 6332506.

The previous prime is 12664997. The next prime is 12665041. The reversal of 12665014 is 41056621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41056621 = 41 ⋅1001381.

It is a self number, because there is not a number n which added to its sum of digits gives 12665014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3166252 + ... + 3166255.

It is an arithmetic number, because the mean of its divisors is an integer number (4749381).

Almost surely, 2^12665014 is an apocalyptic number.

12665014 is a deficient number, since it is larger than the sum of its proper divisors (6332510).

12665014 is an equidigital number, since it uses as much as digits as its factorization.

12665014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6332509.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12665014 is about 3558.7938968139. The cubic root of 12665014 is about 233.0962167168.

The spelling of 12665014 in words is "twelve million, six hundred sixty-five thousand, fourteen".