12425784 has 64 divisors (see below), whose sum is σ = 36480000. Its totient is φ = 3452544.

The previous prime is 12425771. The next prime is 12425789. The reversal of 12425784 is 48752421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12425789) 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 15 ways as a sum of consecutive naturals, for example, 5217 + ... + 7215.

It is an arithmetic number, because the mean of its divisors is an integer number (570000).

Almost surely, 2^12425784 is an apocalyptic number.

12425784 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12425784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18240000).

12425784 is an abundant number, since it is smaller than the sum of its proper divisors (24054216).

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

12425784 is a wasteful number, since it uses less digits than its factorization.

12425784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2052 (or 2048 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12425784 is about 3525.0225531193. The cubic root of 12425784 is about 231.6192227833.

The spelling of 12425784 in words is "twelve million, four hundred twenty-five thousand, seven hundred eighty-four".