12162236 has 12 divisors (see below), whose sum is σ = 21314328. Its totient is φ = 6072432.

The previous prime is 12162211. The next prime is 12162247. The reversal of 12162236 is 63226121.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 1775 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (1776194).

Almost surely, 2^12162236 is an apocalyptic number.

It is an amenable number.

12162236 is a deficient number, since it is larger than the sum of its proper divisors (9152092).

12162236 is a wasteful number, since it uses less digits than its factorization.

12162236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4348 (or 4346 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 12162236 is about 3487.4397485835. The cubic root of 12162236 is about 229.9699771776.

Adding to 12162236 its reverse (63226121), we get a palindrome (75388357).

The spelling of 12162236 in words is "twelve million, one hundred sixty-two thousand, two hundred thirty-six".