12672564 has 12 divisors (see below), whose sum is σ = 29569344. Its totient is φ = 4224184.

The previous prime is 12672559. The next prime is 12672587. The reversal of 12672564 is 46527621.

It is a tau number, because it is divible by the number of its divisors (12).

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, 528012 + ... + 528035.

It is an arithmetic number, because the mean of its divisors is an integer number (2464112).

Almost surely, 2^12672564 is an apocalyptic number.

It is an amenable number.

12672564 is an abundant number, since it is smaller than the sum of its proper divisors (16896780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12672564 is a wasteful number, since it uses less digits than its factorization.

12672564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056054 (or 1056052 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 12672564 is about 3559.8544914083. The cubic root of 12672564 is about 233.1425260970.

The spelling of 12672564 in words is "twelve million, six hundred seventy-two thousand, five hundred sixty-four".