12528004 has 12 divisors (see below), whose sum is σ = 21955024. Its totient is φ = 6255144.

The previous prime is 12527987. The next prime is 12528037. The reversal of 12528004 is 40082521.

12528004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1759 + ... + 5305.

Almost surely, 2^12528004 is an apocalyptic number.

It is an amenable number.

12528004 is a deficient number, since it is larger than the sum of its proper divisors (9427020).

12528004 is a wasteful number, since it uses less digits than its factorization.

12528004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 12528004 is about 3539.4920539535. The cubic root of 12528004 is about 232.2526231559.

The spelling of 12528004 in words is "twelve million, five hundred twenty-eight thousand, four".