12011275 has 6 divisors (see below), whose sum is σ = 14894012. Its totient is φ = 9609000.

The previous prime is 12011257. The next prime is 12011281. The reversal of 12011275 is 57211021.

It is not a de Polignac number, because 12011275 - 2⁵ = 12011243 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 5 ways as a sum of consecutive naturals, for example, 240201 + ... + 240250.

Almost surely, 2^12011275 is an apocalyptic number.

12011275 is a deficient number, since it is larger than the sum of its proper divisors (2882737).

12011275 is an equidigital number, since it uses as much as digits as its factorization.

12011275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480461 (or 480456 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 12011275 is about 3465.7286391176. The cubic root of 12011275 is about 229.0145296935.

Adding to 12011275 its reverse (57211021), we get a palindrome (69222296).

The spelling of 12011275 in words is "twelve million, eleven thousand, two hundred seventy-five".