12661033 has 8 divisors (see below), whose sum is σ = 15785280. Its totient is φ = 9865680.

The previous prime is 12661031. The next prime is 12661037. The reversal of 12661033 is 33016621.

12661033 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12661033 - 2¹ = 12661031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12660995 and 12661013.

It is not an unprimeable number, because it can be changed into a prime (12661031) 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, 82138 + ... + 82291.

It is an arithmetic number, because the mean of its divisors is an integer number (1973160).

Almost surely, 2^12661033 is an apocalyptic number.

It is an amenable number.

12661033 is a deficient number, since it is larger than the sum of its proper divisors (3124247).

12661033 is a wasteful number, since it uses less digits than its factorization.

12661033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164447.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12661033 is about 3558.2345341475. The cubic root of 12661033 is about 233.0717910750.

Adding to 12661033 its reverse (33016621), we get a palindrome (45677654).

The spelling of 12661033 in words is "twelve million, six hundred sixty-one thousand, thirty-three".