12533605 has 8 divisors (see below), whose sum is σ = 17188992. Its totient is φ = 8594448.

The previous prime is 12533569. The next prime is 12533629. The reversal of 12533605 is 50633521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12533605 - 2⁹ = 12533093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12533605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179017 + ... + 179086.

It is an arithmetic number, because the mean of its divisors is an integer number (2148624).

Almost surely, 2^12533605 is an apocalyptic number.

It is an amenable number.

12533605 is a deficient number, since it is larger than the sum of its proper divisors (4655387).

12533605 is an equidigital number, since it uses as much as digits as its factorization.

12533605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358115.

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

The square root of 12533605 is about 3540.2831807639. The cubic root of 12533605 is about 232.2872297096.

The spelling of 12533605 in words is "twelve million, five hundred thirty-three thousand, six hundred five".