12255425 has 24 divisors (see below), whose sum is σ = 18707136. Its totient is φ = 7755840.

The previous prime is 12255413. The next prime is 12255427. The reversal of 12255425 is 52455221.

It is not a de Polignac number, because 12255425 - 2⁴ = 12255409 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12255394 and 12255403.

It is not an unprimeable number, because it can be changed into a prime (12255427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 419 + ... + 4968.

It is an arithmetic number, because the mean of its divisors is an integer number (779464).

Almost surely, 2^12255425 is an apocalyptic number.

It is an amenable number.

12255425 is a deficient number, since it is larger than the sum of its proper divisors (6451711).

12255425 is a wasteful number, since it uses less digits than its factorization.

12255425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5417 (or 5412 counting only the distinct ones).

The product of its digits is 4000, while the sum is 26.

The square root of 12255425 is about 3500.7749142154. The cubic root of 12255425 is about 230.5558389915. Note that the first 3 decimals are identical.

The spelling of 12255425 in words is "twelve million, two hundred fifty-five thousand, four hundred twenty-five".