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12633 = 34211
BaseRepresentation
bin11000101011001
3122022220
43011121
5401013
6134253
751555
oct30531
918286
1012633
119545
127389
13599a
144865
153b23
hex3159

12633 has 4 divisors (see below), whose sum is σ = 16848. Its totient is φ = 8420.

The previous prime is 12619. The next prime is 12637. The reversal of 12633 is 33621.

12633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 12633 - 25 = 12601 is a prime.

It is a D-number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (12637) 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, 2103 + ... + 2108.

It is an arithmetic number, because the mean of its divisors is an integer number (4212).

212633 is an apocalyptic number.

It is an amenable number.

12633 is a deficient number, since it is larger than the sum of its proper divisors (4215).

12633 is an equidigital number, since it uses as much as digits as its factorization.

12633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214.

The product of its digits is 108, while the sum is 15.

The square root of 12633 is about 112.3966191662. The cubic root of 12633 is about 23.2899647944.

The spelling of 12633 in words is "twelve thousand, six hundred thirty-three".

Divisors: 1 3 4211 12633