12239564 has 6 divisors (see below), whose sum is σ = 21419244. Its totient is φ = 6119780.

The previous prime is 12239561. The next prime is 12239567. The reversal of 12239564 is 46593221.

It is a happy number.

12239564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12239561) and next prime (12239567).

It is a self number, because there is not a number n which added to its sum of digits gives 12239564.

It is not an unprimeable number, because it can be changed into a prime (12239561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1529942 + ... + 1529949.

It is an arithmetic number, because the mean of its divisors is an integer number (3569874).

Almost surely, 2^12239564 is an apocalyptic number.

It is an amenable number.

12239564 is a deficient number, since it is larger than the sum of its proper divisors (9179680).

12239564 is a wasteful number, since it uses less digits than its factorization.

12239564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059895 (or 3059893 counting only the distinct ones).

The product of its digits is 12960, while the sum is 32.

The square root of 12239564 is about 3498.5088251997. The cubic root of 12239564 is about 230.4563340821.

The spelling of 12239564 in words is "twelve million, two hundred thirty-nine thousand, five hundred sixty-four".