12385238 has 4 divisors (see below), whose sum is σ = 18577860. Its totient is φ = 6192618.

The previous prime is 12385187. The next prime is 12385249. The reversal of 12385238 is 83258321.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3096308 + ... + 3096311.

It is an arithmetic number, because the mean of its divisors is an integer number (4644465).

Almost surely, 2^12385238 is an apocalyptic number.

12385238 is a deficient number, since it is larger than the sum of its proper divisors (6192622).

12385238 is an equidigital number, since it uses as much as digits as its factorization.

12385238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6192621.

The product of its digits is 11520, while the sum is 32.

The square root of 12385238 is about 3519.2666849786. The cubic root of 12385238 is about 231.3670196155.

The spelling of 12385238 in words is "twelve million, three hundred eighty-five thousand, two hundred thirty-eight".