12105497 has 4 divisors (see below), whose sum is σ = 12134016. Its totient is φ = 12076980.

The previous prime is 12105491. The next prime is 12105523. The reversal of 12105497 is 79450121.

12105497 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: 79450121 = 61 ⋅1302461.

It is a cyclic number.

It is not a de Polignac number, because 12105497 - 2⁶ = 12105433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12105491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13613 + ... + 14474.

It is an arithmetic number, because the mean of its divisors is an integer number (3033504).

Almost surely, 2^12105497 is an apocalyptic number.

It is an amenable number.

12105497 is a deficient number, since it is larger than the sum of its proper divisors (28519).

12105497 is an equidigital number, since it uses as much as digits as its factorization.

12105497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28518.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 12105497 is about 3479.2954746615. The cubic root of 12105497 is about 229.6118026303.

The spelling of 12105497 in words is "twelve million, one hundred five thousand, four hundred ninety-seven".