12399116 has 24 divisors (see below), whose sum is σ = 22767360. Its totient is φ = 5897232.

The previous prime is 12399113. The next prime is 12399119. The reversal of 12399116 is 61199321.

It is an interprime number because it is at equal distance from previous prime (12399113) and next prime (12399119).

It is not an unprimeable number, because it can be changed into a prime (12399113) 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, 28025 + ... + 28463.

It is an arithmetic number, because the mean of its divisors is an integer number (948640).

Almost surely, 2^12399116 is an apocalyptic number.

It is an amenable number.

12399116 is a deficient number, since it is larger than the sum of its proper divisors (10368244).

12399116 is a wasteful number, since it uses less digits than its factorization.

12399116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773 (or 771 counting only the distinct ones).

The product of its digits is 2916, while the sum is 32.

The square root of 12399116 is about 3521.2378505293. The cubic root of 12399116 is about 231.4534050619.

The spelling of 12399116 in words is "twelve million, three hundred ninety-nine thousand, one hundred sixteen".