12428524 has 6 divisors (see below), whose sum is σ = 21749924. Its totient is φ = 6214260.

The previous prime is 12428519. The next prime is 12428543. The reversal of 12428524 is 42582421.

It is a junction number, because it is equal to n+sod(n) for n = 12428492 and 12428501.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553562 + ... + 1553569.

Almost surely, 2^12428524 is an apocalyptic number.

It is an amenable number.

12428524 is a deficient number, since it is larger than the sum of its proper divisors (9321400).

12428524 is a wasteful number, since it uses less digits than its factorization.

12428524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107135 (or 3107133 counting only the distinct ones).

The product of its digits is 5120, while the sum is 28.

The square root of 12428524 is about 3525.4111816921. The cubic root of 12428524 is about 231.6362462572.

The spelling of 12428524 in words is "twelve million, four hundred twenty-eight thousand, five hundred twenty-four".