12065564 has 18 divisors (see below), whose sum is σ = 24562440. Its totient is φ = 5170872.

The previous prime is 12065549. The next prime is 12065567. The reversal of 12065564 is 46556021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065567) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 30584 + ... + 30975.

It is an arithmetic number, because the mean of its divisors is an integer number (1364580).

Almost surely, 2^12065564 is an apocalyptic number.

12065564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12065564 is an abundant number, since it is smaller than the sum of its proper divisors (12496876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12065564 is a wasteful number, since it uses less digits than its factorization.

12065564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61577 (or 61568 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 12065564 is about 3473.5520724469. The cubic root of 12065564 is about 229.3590472414.

The spelling of 12065564 in words is "twelve million, sixty-five thousand, five hundred sixty-four".