12162276 has 108 divisors (see below), whose sum is σ = 37547328. Its totient is φ = 3250944.

The previous prime is 12162263. The next prime is 12162317. The reversal of 12162276 is 67226121.

12162276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72745 + ... + 72911.

Almost surely, 2^12162276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12162276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18773664).

12162276 is an abundant number, since it is smaller than the sum of its proper divisors (25385052).

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

12162276 is a wasteful number, since it uses less digits than its factorization.

12162276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 196 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 12162276 is about 3487.4454834449. The cubic root of 12162276 is about 229.9702292910.

Adding to 12162276 its reverse (67226121), we get a palindrome (79388397).

The spelling of 12162276 in words is "twelve million, one hundred sixty-two thousand, two hundred seventy-six".