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12629 = 73173

12629 has 4 divisors (see below), whose sum is σ = 12876. Its totient is φ = 12384.

The previous prime is 12619. The next prime is 12637. The reversal of 12629 is 92621.

12629 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 an emirpimes, since its reverse is a distinct semiprime: 92621 = 234027.

It can be written as a sum of positive squares in 2 ways, for example, as 9604 + 3025 = 98^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 12629 - 24 = 12613 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 12629.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12619) 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, 14 + ... + 159.

It is an arithmetic number, because the mean of its divisors is an integer number (3219).

212629 is an apocalyptic number.

It is an amenable number.

12629 is a deficient number, since it is larger than the sum of its proper divisors (247).

12629 is an equidigital number, since it uses as much as digits as its factorization.

12629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246.

The product of its digits is 216, while the sum is 20.

The square root of 12629 is about 112.3788236279. The cubic root of 12629 is about 23.2875064263.

The spelling of 12629 in words is "twelve thousand, six hundred twenty-nine".

Divisors: 1 73 173 12629