12522004 has 12 divisors (see below), whose sum is σ = 23905728. Its totient is φ = 5691800.

The previous prime is 12521989. The next prime is 12522011. The reversal of 12522004 is 40022521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142252 + ... + 142339.

It is an arithmetic number, because the mean of its divisors is an integer number (1992144).

Almost surely, 2^12522004 is an apocalyptic number.

It is an amenable number.

12522004 is a deficient number, since it is larger than the sum of its proper divisors (11383724).

12522004 is a wasteful number, since it uses less digits than its factorization.

12522004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284606 (or 284604 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 12522004 is about 3538.6443732028. The cubic root of 12522004 is about 232.2155398806.

Adding to 12522004 its reverse (40022521), we get a palindrome (52544525).

The spelling of 12522004 in words is "twelve million, five hundred twenty-two thousand, four".