12425418 has 24 divisors (see below), whose sum is σ = 27326208. Its totient is φ = 4079592.

The previous prime is 12425417. The next prime is 12425423. The reversal of 12425418 is 81452421.

12425418 is a `hidden beast` number, since 1 + 242 + 5 + 418 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 12425391 and 12425400.

It is not an unprimeable number, because it can be changed into a prime (12425417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3946 + ... + 6357.

It is an arithmetic number, because the mean of its divisors is an integer number (1138592).

Almost surely, 2^12425418 is an apocalyptic number.

12425418 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12425418 is an abundant number, since it is smaller than the sum of its proper divisors (14900790).

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

12425418 is a wasteful number, since it uses less digits than its factorization.

12425418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10378 (or 10375 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 12425418 is about 3524.9706381756. The cubic root of 12425418 is about 231.6169486554.

Adding to 12425418 its reverse (81452421), we get a palindrome (93877839).

The spelling of 12425418 in words is "twelve million, four hundred twenty-five thousand, four hundred eighteen".