12105929 has 6 divisors (see below), whose sum is σ = 13306650. Its totient is φ = 11005280.

The previous prime is 12105923. The next prime is 12105941. The reversal of 12105929 is 92950121.

12105929 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6512704 + 5593225 = 2552^2 + 2365^2 .

It is not a de Polignac number, because 12105929 - 2¹² = 12101833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12105923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49904 + ... + 50145.

It is an arithmetic number, because the mean of its divisors is an integer number (2217775).

Almost surely, 2^12105929 is an apocalyptic number.

It is an amenable number.

12105929 is a deficient number, since it is larger than the sum of its proper divisors (1200721).

12105929 is a wasteful number, since it uses less digits than its factorization.

12105929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100071 (or 100060 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 12105929 is about 3479.3575556416. The cubic root of 12105929 is about 229.6145339272.

The spelling of 12105929 in words is "twelve million, one hundred five thousand, nine hundred twenty-nine".