12425481 has 20 divisors (see below), whose sum is σ = 18719184. Its totient is φ = 8213400.

The previous prime is 12425477. The next prime is 12425503. The reversal of 12425481 is 18452421.

12425481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12425481 - 2² = 12425477 is a prime.

It is a super-2 number, since 2×12425481² = 308785156162722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12425461) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 10026 + ... + 11196.

Almost surely, 2^12425481 is an apocalyptic number.

It is an amenable number.

12425481 is a deficient number, since it is larger than the sum of its proper divisors (6293703).

12425481 is a wasteful number, since it uses less digits than its factorization.

12425481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1314 (or 1305 counting only the distinct ones).

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

The square root of 12425481 is about 3524.9795744089. The cubic root of 12425481 is about 231.6173401068.

The spelling of 12425481 in words is "twelve million, four hundred twenty-five thousand, four hundred eighty-one".