12428925 has 12 divisors (see below), whose sum is σ = 20549280. Its totient is φ = 6628720.

The previous prime is 12428909. The next prime is 12428951. The reversal of 12428925 is 52982421.

It is not a de Polignac number, because 12428925 - 2⁴ = 12428909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82785 + ... + 82934.

It is an arithmetic number, because the mean of its divisors is an integer number (1712440).

Almost surely, 2^12428925 is an apocalyptic number.

12428925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12428925 is a deficient number, since it is larger than the sum of its proper divisors (8120355).

12428925 is a wasteful number, since it uses less digits than its factorization.

12428925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165732 (or 165727 counting only the distinct ones).

The product of its digits is 11520, while the sum is 33.

The square root of 12428925 is about 3525.4680540320. The cubic root of 12428925 is about 231.6387374390.

The spelling of 12428925 in words is "twelve million, four hundred twenty-eight thousand, nine hundred twenty-five".