12562664 has 16 divisors (see below), whose sum is σ = 23799300. Its totient is φ = 6216192.

The previous prime is 12562663. The next prime is 12562673. The reversal of 12562664 is 46626521.

It can be written as a sum of positive squares in 2 ways, for example, as 12545764 + 16900 = 3542^2 + 130^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12562664.

It is not an unprimeable number, because it can be changed into a prime (12562663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7319 + ... + 8870.

Almost surely, 2^12562664 is an apocalyptic number.

It is an amenable number.

12562664 is a deficient number, since it is larger than the sum of its proper divisors (11236636).

12562664 is a wasteful number, since it uses less digits than its factorization.

12562664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16292 (or 16288 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The square root of 12562664 is about 3544.3848549502. The cubic root of 12562664 is about 232.4666094570.

The spelling of 12562664 in words is "twelve million, five hundred sixty-two thousand, six hundred sixty-four".