12214564 has 24 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 5780544.

The previous prime is 12214561. The next prime is 12214567. The reversal of 12214564 is 46541221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12214561) and next prime (12214567).

It is not an unprimeable number, because it can be changed into a prime (12214561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8832 + ... + 10120.

It is an arithmetic number, because the mean of its divisors is an integer number (939120).

Almost surely, 2^12214564 is an apocalyptic number.

It is an amenable number.

12214564 is a deficient number, since it is larger than the sum of its proper divisors (10324316).

12214564 is a wasteful number, since it uses less digits than its factorization.

12214564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1417 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 12214564 is about 3494.9340480186. The cubic root of 12214564 is about 230.2993204424.

Adding to 12214564 its reverse (46541221), we get a palindrome (58755785).

The spelling of 12214564 in words is "twelve million, two hundred fourteen thousand, five hundred sixty-four".