12123814 has 8 divisors (see below), whose sum is σ = 18416160. Its totient is φ = 5985096.

The previous prime is 12123773. The next prime is 12123817. The reversal of 12123814 is 41832121.

It is a happy number.

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

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12123817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38209 + ... + 38524.

It is an arithmetic number, because the mean of its divisors is an integer number (2302020).

Almost surely, 2^12123814 is an apocalyptic number.

12123814 is a deficient number, since it is larger than the sum of its proper divisors (6292346).

12123814 is an equidigital number, since it uses as much as digits as its factorization.

12123814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76814.

The product of its digits is 384, while the sum is 22.

The square root of 12123814 is about 3481.9267654562. The cubic root of 12123814 is about 229.7275538984.

Adding to 12123814 its reverse (41832121), we get a palindrome (53955935).

The spelling of 12123814 in words is "twelve million, one hundred twenty-three thousand, eight hundred fourteen".