12629666 has 8 divisors (see below), whose sum is σ = 21650880. Its totient is φ = 5412708.

The previous prime is 12629647. The next prime is 12629689. The reversal of 12629666 is 66692621.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451046 + ... + 451073.

It is an arithmetic number, because the mean of its divisors is an integer number (2706360).

Almost surely, 2^12629666 is an apocalyptic number.

12629666 is a deficient number, since it is larger than the sum of its proper divisors (9021214).

12629666 is an equidigital number, since it uses as much as digits as its factorization.

12629666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902128.

The product of its digits is 46656, while the sum is 38.

The square root of 12629666 is about 3553.8241374609. The cubic root of 12629666 is about 232.8791578060.

It can be divided in two parts, 126 and 29666, that added together give a palindrome (29792).

The spelling of 12629666 in words is "twelve million, six hundred twenty-nine thousand, six hundred sixty-six".