12660110 has 16 divisors (see below), whose sum is σ = 23219136. Its totient is φ = 4968288.

The previous prime is 12660107. The next prime is 12660113. The reversal of 12660110 is 1106621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12660107) and next prime (12660113).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12660113) 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 7 ways as a sum of consecutive naturals, for example, 11414 + ... + 12473.

It is an arithmetic number, because the mean of its divisors is an integer number (1451196).

Almost surely, 2^12660110 is an apocalyptic number.

12660110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12660110 is a deficient number, since it is larger than the sum of its proper divisors (10559026).

12660110 is a wasteful number, since it uses less digits than its factorization.

12660110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23947.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 12660110 is about 3558.1048326321. The cubic root of 12660110 is about 233.0661272272.

Adding to 12660110 its reverse (1106621), we get a palindrome (13766731).

The spelling of 12660110 in words is "twelve million, six hundred sixty thousand, one hundred ten".