12004425 has 18 divisors (see below), whose sum is σ = 21501662. Its totient is φ = 6402240.

The previous prime is 12004417. The next prime is 12004427. The reversal of 12004425 is 52440021.

12004425 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 can be written as a sum of positive squares in 3 ways, for example, as 2585664 + 9418761 = 1608^2 + 3069^2 .

It is not a de Polignac number, because 12004425 - 2³ = 12004417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12004398 and 12004407.

It is not an unprimeable number, because it can be changed into a prime (12004427) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26452 + ... + 26901.

Almost surely, 2^12004425 is an apocalyptic number.

12004425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12004425 is a deficient number, since it is larger than the sum of its proper divisors (9497237).

12004425 is a wasteful number, since it uses less digits than its factorization.

12004425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53369 (or 53361 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 12004425 is about 3464.7402500043. The cubic root of 12004425 is about 228.9709859442.

Adding to 12004425 its reverse (52440021), we get a palindrome (64444446).

It can be divided in two parts, 1200 and 4425, that added together give a square (5625 = 75²).

The spelling of 12004425 in words is "twelve million, four thousand, four hundred twenty-five".