12242456 has 16 divisors (see below), whose sum is σ = 23331840. Its totient is φ = 6020640.

The previous prime is 12242453. The next prime is 12242473. The reversal of 12242456 is 65424221.

12242456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12242453) 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, 12056 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (1458240).

Almost surely, 2^12242456 is an apocalyptic number.

It is an amenable number.

12242456 is a deficient number, since it is larger than the sum of its proper divisors (11089384).

12242456 is a wasteful number, since it uses less digits than its factorization.

12242456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25154 (or 25150 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 12242456 is about 3498.9221197392. The cubic root of 12242456 is about 230.4744836183.

Adding to 12242456 its reverse (65424221), we get a palindrome (77666677).

The spelling of 12242456 in words is "twelve million, two hundred forty-two thousand, four hundred fifty-six".