12400116 has 12 divisors (see below), whose sum is σ = 28933632. Its totient is φ = 4133368.

The previous prime is 12400109. The next prime is 12400127. The reversal of 12400116 is 61100421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12400095 and 12400104.

It is a congruent number.

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, 516660 + ... + 516683.

It is an arithmetic number, because the mean of its divisors is an integer number (2411136).

Almost surely, 2^12400116 is an apocalyptic number.

It is an amenable number.

12400116 is an abundant number, since it is smaller than the sum of its proper divisors (16533516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12400116 is a wasteful number, since it uses less digits than its factorization.

12400116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1033350 (or 1033348 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 12400116 is about 3521.3798431865. The cubic root of 12400116 is about 231.4596272039.

Adding to 12400116 its reverse (61100421), we get a palindrome (73500537).

The spelling of 12400116 in words is "twelve million, four hundred thousand, one hundred sixteen".