12425128 has 16 divisors (see below), whose sum is σ = 23512500. Its totient is φ = 6155136.

The previous prime is 12425117. The next prime is 12425131. The reversal of 12425128 is 82152421.

It can be written as a sum of positive squares in 2 ways, for example, as 11819844 + 605284 = 3438^2 + 778^2 .

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6253 + ... + 7996.

Almost surely, 2^12425128 is an apocalyptic number.

It is an amenable number.

12425128 is a deficient number, since it is larger than the sum of its proper divisors (11087372).

12425128 is a wasteful number, since it uses less digits than its factorization.

12425128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14364 (or 14360 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 12425128 is about 3524.9295028412. The cubic root of 12425128 is about 231.6151467190.

Adding to 12425128 its reverse (82152421), we get a palindrome (94577549).

It can be divided in two parts, 124 and 25128, that added together give a palindrome (25252).

The spelling of 12425128 in words is "twelve million, four hundred twenty-five thousand, one hundred twenty-eight".