12388234 has 4 divisors (see below), whose sum is σ = 18582354. Its totient is φ = 6194116.

The previous prime is 12388231. The next prime is 12388241. The reversal of 12388234 is 43288321.

12388234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 4853209 = 2745^2 + 2203^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12388196 and 12388205.

It is not an unprimeable number, because it can be changed into a prime (12388231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3097057 + ... + 3097060.

Almost surely, 2^12388234 is an apocalyptic number.

12388234 is a deficient number, since it is larger than the sum of its proper divisors (6194120).

12388234 is an equidigital number, since it uses as much as digits as its factorization.

12388234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6194119.

The product of its digits is 9216, while the sum is 31.

The square root of 12388234 is about 3519.6923160981. The cubic root of 12388234 is about 231.3856740735.

The spelling of 12388234 in words is "twelve million, three hundred eighty-eight thousand, two hundred thirty-four".