12668115 has 16 divisors (see below), whose sum is σ = 20320416. Its totient is φ = 6739200.

The previous prime is 12668087. The next prime is 12668137. The reversal of 12668115 is 51186621.

It is not a de Polignac number, because 12668115 - 2⁷ = 12667987 is a prime.

It is a super-2 number, since 2×12668115² = 320962275306450, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 7005 + ... + 8625.

It is an arithmetic number, because the mean of its divisors is an integer number (1270026).

Almost surely, 2^12668115 is an apocalyptic number.

12668115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12668115 is a deficient number, since it is larger than the sum of its proper divisors (7652301).

12668115 is a wasteful number, since it uses less digits than its factorization.

12668115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2150.

The product of its digits is 2880, while the sum is 30.

The square root of 12668115 is about 3559.2295514619. The cubic root of 12668115 is about 233.1152395246.

The spelling of 12668115 in words is "twelve million, six hundred sixty-eight thousand, one hundred fifteen".