12342456 has 96 divisors (see below), whose sum is σ = 39661440. Its totient is φ = 3522528.

The previous prime is 12342437. The next prime is 12342461. The reversal of 12342456 is 65424321.

12342456 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 super-2 number, since 2×12342456² = 304672440223872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13155 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (413140).

Almost surely, 2^12342456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12342456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19830720).

12342456 is an abundant number, since it is smaller than the sum of its proper divisors (27318984).

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

12342456 is an equidigital number, since it uses as much as digits as its factorization.

12342456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 919 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 12342456 is about 3513.1831719966. The cubic root of 12342456 is about 231.1003106256.

Adding to 12342456 its reverse (65424321), we get a palindrome (77766777).

The spelling of 12342456 in words is "twelve million, three hundred forty-two thousand, four hundred fifty-six".