12660122 has 8 divisors (see below), whose sum is σ = 19140096. Its totient is φ = 6280092.

The previous prime is 12660113. The next prime is 12660139. The reversal of 12660122 is 22106621.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12660094 and 12660103.

It is an unprimeable number.

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, 24668 + ... + 25175.

It is an arithmetic number, because the mean of its divisors is an integer number (2392512).

Almost surely, 2^12660122 is an apocalyptic number.

12660122 is a deficient number, since it is larger than the sum of its proper divisors (6479974).

12660122 is a wasteful number, since it uses less digits than its factorization.

12660122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49972.

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

The square root of 12660122 is about 3558.1065189227. The cubic root of 12660122 is about 233.0662008651.

Adding to 12660122 its reverse (22106621), we get a palindrome (34766743).

The spelling of 12660122 in words is "twelve million, six hundred sixty thousand, one hundred twenty-two".