12959666 has 16 divisors (see below), whose sum is σ = 20015424. Its totient is φ = 6290544.

The previous prime is 12959663. The next prime is 12959669. The reversal of 12959666 is 66695921.

It is an interprime number because it is at equal distance from previous prime (12959663) and next prime (12959669).

It is not an unprimeable number, because it can be changed into a prime (12959663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10325 + ... + 11511.

It is an arithmetic number, because the mean of its divisors is an integer number (1250964).

Almost surely, 2^12959666 is an apocalyptic number.

12959666 is a deficient number, since it is larger than the sum of its proper divisors (7055758).

12959666 is a wasteful number, since it uses less digits than its factorization.

12959666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345.

The product of its digits is 174960, while the sum is 44.

The square root of 12959666 is about 3599.9536108122. The cubic root of 12959666 is about 234.8900406044.

It can be divided in two parts, 129 and 59666, that added together give a palindrome (59795).

The spelling of 12959666 in words is "twelve million, nine hundred fifty-nine thousand, six hundred sixty-six".