12823161 has 16 divisors (see below), whose sum is σ = 18494784. Its totient is φ = 7856064.

The previous prime is 12823147. The next prime is 12823177. The reversal of 12823161 is 16132821.

It is not a de Polignac number, because 12823161 - 2⁷ = 12823033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12823141) 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 15 ways as a sum of consecutive naturals, for example, 10210 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (1155924).

Almost surely, 2^12823161 is an apocalyptic number.

It is an amenable number.

12823161 is a deficient number, since it is larger than the sum of its proper divisors (5671623).

12823161 is a wasteful number, since it uses less digits than its factorization.

12823161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480.

The product of its digits is 576, while the sum is 24.

The square root of 12823161 is about 3580.9441492433. The cubic root of 12823161 is about 234.0624239915.

Adding to 12823161 its reverse (16132821), we get a palindrome (28955982).

The spelling of 12823161 in words is "twelve million, eight hundred twenty-three thousand, one hundred sixty-one".