12393234 has 48 divisors (see below), whose sum is σ = 31449600. Its totient is φ = 3453120.

The previous prime is 12393233. The next prime is 12393239. The reversal of 12393234 is 43239321.

It is a happy number.

12393234 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12393198 and 12393207.

It is not an unprimeable number, because it can be changed into a prime (12393233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3967 + ... + 6365.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^12393234 is an apocalyptic number.

12393234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12393234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15724800).

12393234 is an abundant number, since it is smaller than the sum of its proper divisors (19056366).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12393234 is a wasteful number, since it uses less digits than its factorization.

12393234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2455 (or 2452 counting only the distinct ones).

The product of its digits is 3888, while the sum is 27.

The square root of 12393234 is about 3520.4025338021. The cubic root of 12393234 is about 231.4167996495.

The spelling of 12393234 in words is "twelve million, three hundred ninety-three thousand, two hundred thirty-four".