12236564 has 6 divisors (see below), whose sum is σ = 21413994. Its totient is φ = 6118280.

The previous prime is 12236563. The next prime is 12236569. The reversal of 12236564 is 46563221.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 960400 = 3358^2 + 980^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12236563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529567 + ... + 1529574.

It is an arithmetic number, because the mean of its divisors is an integer number (3568999).

Almost surely, 2^12236564 is an apocalyptic number.

It is an amenable number.

12236564 is a deficient number, since it is larger than the sum of its proper divisors (9177430).

12236564 is a wasteful number, since it uses less digits than its factorization.

12236564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059145 (or 3059143 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 12236564 is about 3498.0800448246. The cubic root of 12236564 is about 230.4375037409.

Adding to 12236564 its reverse (46563221), we get a palindrome (58799785).

The spelling of 12236564 in words is "twelve million, two hundred thirty-six thousand, five hundred sixty-four".