12730633 has 4 divisors (see below), whose sum is σ = 12760468. Its totient is φ = 12700800.

The previous prime is 12730631. The next prime is 12730651. The reversal of 12730633 is 33603721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1420864 + 11309769 = 1192^2 + 3363^2 .

It is a cyclic number.

It is not a de Polignac number, because 12730633 - 2¹ = 12730631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12730598 and 12730607.

It is not an unprimeable number, because it can be changed into a prime (12730631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14268 + ... + 15133.

It is an arithmetic number, because the mean of its divisors is an integer number (3190117).

Almost surely, 2^12730633 is an apocalyptic number.

It is an amenable number.

12730633 is a deficient number, since it is larger than the sum of its proper divisors (29835).

12730633 is an equidigital number, since it uses as much as digits as its factorization.

12730633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29834.

The product of its (nonzero) digits is 2268, while the sum is 25.

The square root of 12730633 is about 3568.0012612105. The cubic root of 12730633 is about 233.4980902136.

The spelling of 12730633 in words is "twelve million, seven hundred thirty thousand, six hundred thirty-three".