12008775 has 12 divisors (see below), whose sum is σ = 19854632. Its totient is φ = 6404640.

The previous prime is 12008771. The next prime is 12008797. The reversal of 12008775 is 57780021.

It is a happy number.

It is not a de Polignac number, because 12008775 - 2² = 12008771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12008771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79984 + ... + 80133.

Almost surely, 2^12008775 is an apocalyptic number.

12008775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12008775 is a deficient number, since it is larger than the sum of its proper divisors (7845857).

12008775 is a wasteful number, since it uses less digits than its factorization.

12008775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160130 (or 160125 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 12008775 is about 3465.3679458320. The cubic root of 12008775 is about 228.9986397331.

Adding to 12008775 its reverse (57780021), we get a palindrome (69788796).

The spelling of 12008775 in words is "twelve million, eight thousand, seven hundred seventy-five".