12399006 has 8 divisors (see below), whose sum is σ = 24798024. Its totient is φ = 4133000.

The previous prime is 12398989. The next prime is 12399011. The reversal of 12399006 is 60099321.

It is a sphenic number, since it is the product of 3 distinct primes.

12399006 is an admirable number.

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, 1033245 + ... + 1033256.

It is an arithmetic number, because the mean of its divisors is an integer number (3099753).

Almost surely, 2^12399006 is an apocalyptic number.

12399006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12399006 is a wasteful number, since it uses less digits than its factorization.

12399006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066506.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 12399006 is about 3521.2222309874. Note that the first 4 decimals coincide. The cubic root of 12399006 is about 231.4527206058.

The spelling of 12399006 in words is "twelve million, three hundred ninety-nine thousand, six".