12217364 has 12 divisors (see below), whose sum is σ = 21592788. Its totient is φ = 6048000.

The previous prime is 12217333. The next prime is 12217391. The reversal of 12217364 is 46371221.

It can be written as a sum of positive squares in 2 ways, for example, as 7333264 + 4884100 = 2708^2 + 2210^2 .

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, 14717 + ... + 15524.

It is an arithmetic number, because the mean of its divisors is an integer number (1799399).

Almost surely, 2^12217364 is an apocalyptic number.

It is an amenable number.

12217364 is a deficient number, since it is larger than the sum of its proper divisors (9375424).

12217364 is a wasteful number, since it uses less digits than its factorization.

12217364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30346 (or 30344 counting only the distinct ones).

The product of its digits is 2016, while the sum is 26.

The square root of 12217364 is about 3495.3346048698. The cubic root of 12217364 is about 230.3169166177.

Adding to 12217364 its reverse (46371221), we get a palindrome (58588585).

The spelling of 12217364 in words is "twelve million, two hundred seventeen thousand, three hundred sixty-four".