12399416 has 16 divisors (see below), whose sum is σ = 23390640. Its totient is φ = 6161920.

The previous prime is 12399407. The next prime is 12399427. The reversal of 12399416 is 61499321.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3305 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1461915).

Almost surely, 2^12399416 is an apocalyptic number.

It is an amenable number.

12399416 is a deficient number, since it is larger than the sum of its proper divisors (10991224).

12399416 is a wasteful number, since it uses less digits than its factorization.

12399416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9454 (or 9450 counting only the distinct ones).

The product of its digits is 11664, while the sum is 35.

The square root of 12399416 is about 3521.2804489276. The cubic root of 12399416 is about 231.4552717396.

The spelling of 12399416 in words is "twelve million, three hundred ninety-nine thousand, four hundred sixteen".