12162275 has 6 divisors (see below), whose sum is σ = 15081252. Its totient is φ = 9729800.

The previous prime is 12162263. The next prime is 12162317. The reversal of 12162275 is 57226121.

It is not a de Polignac number, because 12162275 - 2⁶ = 12162211 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, 243221 + ... + 243270.

It is an arithmetic number, because the mean of its divisors is an integer number (2513542).

Almost surely, 2^12162275 is an apocalyptic number.

12162275 is a deficient number, since it is larger than the sum of its proper divisors (2918977).

12162275 is an equidigital number, since it uses as much as digits as its factorization.

12162275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486501 (or 486496 counting only the distinct ones).

The product of its digits is 1680, while the sum is 26.

The square root of 12162275 is about 3487.4453400734. The cubic root of 12162275 is about 229.9702229882.

Adding to 12162275 its reverse (57226121), we get a palindrome (69388396).

The spelling of 12162275 in words is "twelve million, one hundred sixty-two thousand, two hundred seventy-five".