12399234 has 8 divisors (see below), whose sum is σ = 24798480. Its totient is φ = 4133076.

The previous prime is 12399199. The next prime is 12399251. The reversal of 12399234 is 43299321.

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

12399234 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 12399195 and 12399204.

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 3 ways as a sum of consecutive naturals, for example, 1033264 + ... + 1033275.

It is an arithmetic number, because the mean of its divisors is an integer number (3099810).

Almost surely, 2^12399234 is an apocalyptic number.

12399234 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.

12399234 is a wasteful number, since it uses less digits than its factorization.

12399234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066544.

The product of its digits is 11664, while the sum is 33.

The square root of 12399234 is about 3521.2546059608. The cubic root of 12399234 is about 231.4541392920.

The spelling of 12399234 in words is "twelve million, three hundred ninety-nine thousand, two hundred thirty-four".