12722504 has 16 divisors (see below), whose sum is σ = 23910000. Its totient is φ = 6346512.

The previous prime is 12722497. The next prime is 12722509. The reversal of 12722504 is 40522721.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12722504.

It is not an unprimeable number, because it can be changed into a prime (12722509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399 + ... + 5585.

It is an arithmetic number, because the mean of its divisors is an integer number (1494375).

Almost surely, 2^12722504 is an apocalyptic number.

It is an amenable number.

12722504 is a deficient number, since it is larger than the sum of its proper divisors (11187496).

12722504 is a wasteful number, since it uses less digits than its factorization.

12722504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692 (or 3688 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12722504 is about 3566.8619261194. The cubic root of 12722504 is about 233.4483804539.

The spelling of 12722504 in words is "twelve million, seven hundred twenty-two thousand, five hundred four".