12231162 has 28 divisors (see below), whose sum is σ = 27510810. Its totient is φ = 4076568.

The previous prime is 12231157. The next prime is 12231169. The reversal of 12231162 is 26113221.

It can be written as a sum of positive squares in only one way, i.e., 8346321 + 3884841 = 2889^2 + 1971^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (12231169) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2737 + ... + 5652.

Almost surely, 2^12231162 is an apocalyptic number.

12231162 is an abundant number, since it is smaller than the sum of its proper divisors (15279648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12231162 is an frugal number, since it uses more digits than its factorization.

12231162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8409 (or 8394 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 12231162 is about 3497.3078217395. The cubic root of 12231162 is about 230.4035888113.

Adding to 12231162 its reverse (26113221), we get a palindrome (38344383).

The spelling of 12231162 in words is "twelve million, two hundred thirty-one thousand, one hundred sixty-two".