12108263 has 4 divisors (see below), whose sum is σ = 12745560. Its totient is φ = 11470968.

The previous prime is 12108247. The next prime is 12108277. The reversal of 12108263 is 36280121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36280121 = 41 ⋅884881.

It is a cyclic number.

It is not a de Polignac number, because 12108263 - 2⁴ = 12108247 is a prime.

It is a super-2 number, since 2×12108263² = 293220065754338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12108203) 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, 318620 + ... + 318657.

It is an arithmetic number, because the mean of its divisors is an integer number (3186390).

Almost surely, 2^12108263 is an apocalyptic number.

12108263 is a deficient number, since it is larger than the sum of its proper divisors (637297).

12108263 is an equidigital number, since it uses as much as digits as its factorization.

12108263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637296.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 12108263 is about 3479.6929462238. The cubic root of 12108263 is about 229.6292893936.

Adding to 12108263 its reverse (36280121), we get a palindrome (48388384).

The spelling of 12108263 in words is "twelve million, one hundred eight thousand, two hundred sixty-three".