12065533 has 4 divisors (see below), whose sum is σ = 12072508. Its totient is φ = 12058560.

The previous prime is 12065519. The next prime is 12065549. The reversal of 12065533 is 33556021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 33556021 = 307 ⋅109303.

It can be written as a sum of positive squares in 2 ways, for example, as 1483524 + 10582009 = 1218^2 + 3253^2 .

It is a cyclic number.

It is not a de Polignac number, because 12065533 - 2⁹ = 12065021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12065498 and 12065507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12065033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1285 + ... + 5077.

It is an arithmetic number, because the mean of its divisors is an integer number (3018127).

Almost surely, 2^12065533 is an apocalyptic number.

It is an amenable number.

12065533 is a deficient number, since it is larger than the sum of its proper divisors (6975).

12065533 is an equidigital number, since it uses as much as digits as its factorization.

12065533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6974.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 12065533 is about 3473.5476101531. The cubic root of 12065533 is about 229.3588508109.

The spelling of 12065533 in words is "twelve million, sixty-five thousand, five hundred thirty-three".