12105629 has 4 divisors (see below), whose sum is σ = 12123840. Its totient is φ = 12087420.

The previous prime is 12105607. The next prime is 12105637. The reversal of 12105629 is 92650121.

12105629 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 92650121 = 2039 ⋅45439.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12105629 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12105598 and 12105607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12105029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8069 + ... + 9450.

It is an arithmetic number, because the mean of its divisors is an integer number (3030960).

Almost surely, 2^12105629 is an apocalyptic number.

It is an amenable number.

12105629 is a deficient number, since it is larger than the sum of its proper divisors (18211).

12105629 is an equidigital number, since it uses as much as digits as its factorization.

12105629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18210.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 12105629 is about 3479.3144439674. The cubic root of 12105629 is about 229.6126372002.

The spelling of 12105629 in words is "twelve million, one hundred five thousand, six hundred twenty-nine".