12272160 has 96 divisors (see below), whose sum is σ = 39759552. Its totient is φ = 3179520.

The previous prime is 12272159. The next prime is 12272167. The reversal of 12272160 is 6127221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12272160² = 301211822131200, which contains 22 as substring.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12272167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17415 + ... + 18105.

It is an arithmetic number, because the mean of its divisors is an integer number (414162).

Almost surely, 2^12272160 is an apocalyptic number.

12272160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12272160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19879776).

12272160 is an abundant number, since it is smaller than the sum of its proper divisors (27487392).

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

12272160 is a wasteful number, since it uses less digits than its factorization.

12272160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746 (or 738 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 12272160 is about 3503.1642839011. The cubic root of 12272160 is about 230.6607339552.

Adding to 12272160 its reverse (6127221), we get a palindrome (18399381).

The spelling of 12272160 in words is "twelve million, two hundred seventy-two thousand, one hundred sixty".