12110905 has 8 divisors (see below), whose sum is σ = 14559552. Its totient is φ = 9671088.

The previous prime is 12110897. The next prime is 12110911. The reversal of 12110905 is 50901121.

12110905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12110905 - 2³ = 12110897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1332 + ... + 5098.

It is an arithmetic number, because the mean of its divisors is an integer number (1819944).

Almost surely, 2^12110905 is an apocalyptic number.

It is an amenable number.

12110905 is a deficient number, since it is larger than the sum of its proper divisors (2448647).

12110905 is an equidigital number, since it uses as much as digits as its factorization.

12110905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415.

The product of its (nonzero) digits is 90, while the sum is 19.

The square root of 12110905 is about 3480.0725567149. The cubic root of 12110905 is about 229.6459897373.

It can be divided in two parts, 121 and 10905, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 12110905 in words is "twelve million, one hundred ten thousand, nine hundred five".