12825428 has 24 divisors (see below), whose sum is σ = 27983424. Its totient is φ = 4996800.

The previous prime is 12825427. The next prime is 12825431. The reversal of 12825428 is 82452821.

12825428 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

12825428 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12825394 and 12825403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12825427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20513 + ... + 21128.

It is an arithmetic number, because the mean of its divisors is an integer number (1165976).

Almost surely, 2^12825428 is an apocalyptic number.

It is an amenable number.

12825428 is an abundant number, since it is smaller than the sum of its proper divisors (15157996).

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

12825428 is a wasteful number, since it uses less digits than its factorization.

12825428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41663 (or 41661 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 12825428 is about 3581.2606718864. The cubic root of 12825428 is about 234.0762164370.

The spelling of 12825428 in words is "twelve million, eight hundred twenty-five thousand, four hundred twenty-eight".