12428475 has 12 divisors (see below), whose sum is σ = 20548536. Its totient is φ = 6628480.

The previous prime is 12428473. The next prime is 12428491. The reversal of 12428475 is 57482421.

It is not a de Polignac number, because 12428475 - 2¹ = 12428473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12428473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82782 + ... + 82931.

It is an arithmetic number, because the mean of its divisors is an integer number (1712378).

Almost surely, 2^12428475 is an apocalyptic number.

12428475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12428475 is a deficient number, since it is larger than the sum of its proper divisors (8120061).

12428475 is a wasteful number, since it uses less digits than its factorization.

12428475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165726 (or 165721 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12428475 is about 3525.4042321413. The cubic root of 12428475 is about 231.6359418448.

The spelling of 12428475 in words is "twelve million, four hundred twenty-eight thousand, four hundred seventy-five".