12230678 has 8 divisors (see below), whose sum is σ = 18937920. Its totient is φ = 5918040.

The previous prime is 12230677. The next prime is 12230689. The reversal of 12230678 is 87603221.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12230678.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12230671) 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, 98573 + ... + 98696.

It is an arithmetic number, because the mean of its divisors is an integer number (2367240).

Almost surely, 2^12230678 is an apocalyptic number.

12230678 is a deficient number, since it is larger than the sum of its proper divisors (6707242).

12230678 is a wasteful number, since it uses less digits than its factorization.

12230678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197302.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12230678 is about 3497.2386249726. The cubic root of 12230678 is about 230.4005496667.

Adding to 12230678 its reverse (87603221), we get a palindrome (99833899).

The spelling of 12230678 in words is "twelve million, two hundred thirty thousand, six hundred seventy-eight".