12065623 has 4 divisors (see below), whose sum is σ = 12077440. Its totient is φ = 12053808.

The previous prime is 12065621. The next prime is 12065629. The reversal of 12065623 is 32656021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32656021 = 23 ⋅1419827.

It is a cyclic number.

It is not a de Polignac number, because 12065623 - 2¹ = 12065621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065621) 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 in 3 ways as a sum of consecutive naturals, for example, 4215 + ... + 6472.

It is an arithmetic number, because the mean of its divisors is an integer number (3019360).

Almost surely, 2^12065623 is an apocalyptic number.

12065623 is a deficient number, since it is larger than the sum of its proper divisors (11817).

12065623 is a wasteful number, since it uses less digits than its factorization.

12065623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11816.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 12065623 is about 3473.5605651838. The cubic root of 12065623 is about 229.3594210922.

The spelling of 12065623 in words is "twelve million, sixty-five thousand, six hundred twenty-three".