12570644 has 6 divisors (see below), whose sum is σ = 21998634. Its totient is φ = 6285320.

The previous prime is 12570637. The next prime is 12570689. The reversal of 12570644 is 44607521.

12570644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 2521744 = 3170^2 + 1588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1571327 + ... + 1571334.

It is an arithmetic number, because the mean of its divisors is an integer number (3666439).

Almost surely, 2^12570644 is an apocalyptic number.

It is an amenable number.

12570644 is a deficient number, since it is larger than the sum of its proper divisors (9427990).

12570644 is a wasteful number, since it uses less digits than its factorization.

12570644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142665 (or 3142663 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 12570644 is about 3545.5104004924. The cubic root of 12570644 is about 232.5158211764.

The spelling of 12570644 in words is "twelve million, five hundred seventy thousand, six hundred forty-four".