12606533 has 4 divisors (see below), whose sum is σ = 12659520. Its totient is φ = 12553548.

The previous prime is 12606521. The next prime is 12606541. The reversal of 12606533 is 33560621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33560621 = 233 ⋅144037.

It is a cyclic number.

It is not a de Polignac number, because 12606533 - 2¹² = 12602437 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 (12606563) 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, 26135 + ... + 26612.

It is an arithmetic number, because the mean of its divisors is an integer number (3164880).

Almost surely, 2^12606533 is an apocalyptic number.

It is an amenable number.

12606533 is a deficient number, since it is larger than the sum of its proper divisors (52987).

12606533 is an equidigital number, since it uses as much as digits as its factorization.

12606533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52986.

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 12606533 is about 3550.5679827318. The cubic root of 12606533 is about 232.7368873231.

The spelling of 12606533 in words is "twelve million, six hundred six thousand, five hundred thirty-three".