12108755 has 8 divisors (see below), whose sum is σ = 14999424. Its totient is φ = 9374400.

The previous prime is 12108737. The next prime is 12108763. The reversal of 12108755 is 55780121.

12108755 is digitally balanced in base 3, 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 not a de Polignac number, because 12108755 - 2¹⁴ = 12092371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38906 + ... + 39215.

It is an arithmetic number, because the mean of its divisors is an integer number (1874928).

Almost surely, 2^12108755 is an apocalyptic number.

12108755 is a deficient number, since it is larger than the sum of its proper divisors (2890669).

12108755 is an equidigital number, since it uses as much as digits as its factorization.

12108755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78157.

The product of its (nonzero) digits is 2800, while the sum is 29.

The square root of 12108755 is about 3479.7636413987. The cubic root of 12108755 is about 229.6323995584.

Adding to 12108755 its reverse (55780121), we get a palindrome (67888876).

The spelling of 12108755 in words is "twelve million, one hundred eight thousand, seven hundred fifty-five".