12533005 has 8 divisors (see below), whose sum is σ = 15246072. Its totient is φ = 9888768.

The previous prime is 12532997. The next prime is 12533009. The reversal of 12533005 is 50033521.

12533005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1283689 + 11249316 = 1133^2 + 3354^2 .

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 12533005 - 2³ = 12532997 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 (12533009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16804 + ... + 17533.

It is an arithmetic number, because the mean of its divisors is an integer number (1905759).

Almost surely, 2^12533005 is an apocalyptic number.

It is an amenable number.

12533005 is a deficient number, since it is larger than the sum of its proper divisors (2713067).

12533005 is an equidigital number, since it uses as much as digits as its factorization.

12533005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34415.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 12533005 is about 3540.1984407657. The cubic root of 12533005 is about 232.2835230197.

Adding to 12533005 its reverse (50033521), we get a palindrome (62566526).

The spelling of 12533005 in words is "twelve million, five hundred thirty-three thousand, five".