12162331 has 8 divisors (see below), whose sum is σ = 12962304. Its totient is φ = 11385000.

The previous prime is 12162317. The next prime is 12162341. The reversal of 12162331 is 13326121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12162331 - 2⁷ = 12162203 is a prime.

It is a super-2 number, since 2×12162331² = 295844590707122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12162299 and 12162308.

It is not an unprimeable number, because it can be changed into a prime (12162341) 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 7 ways as a sum of consecutive naturals, for example, 4545 + ... + 6706.

It is an arithmetic number, because the mean of its divisors is an integer number (1620288).

Almost surely, 2^12162331 is an apocalyptic number.

12162331 is a deficient number, since it is larger than the sum of its proper divisors (799973).

12162331 is a wasteful number, since it uses less digits than its factorization.

12162331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11321.

The product of its digits is 216, while the sum is 19.

The square root of 12162331 is about 3487.4533688639. The cubic root of 12162331 is about 229.9705759461.

Adding to 12162331 its reverse (13326121), we get a palindrome (25488452).

The spelling of 12162331 in words is "twelve million, one hundred sixty-two thousand, three hundred thirty-one".