12272260 has 96 divisors (see below), whose sum is σ = 34659072. Its totient is φ = 3525120.

The previous prime is 12272257. The next prime is 12272261. The reversal of 12272260 is 6227221.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (12272261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19714 + ... + 20326.

It is an arithmetic number, because the mean of its divisors is an integer number (361032).

Almost surely, 2^12272260 is an apocalyptic number.

12272260 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 12272260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17329536).

12272260 is an abundant number, since it is smaller than the sum of its proper divisors (22386812).

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

12272260 is a wasteful number, since it uses less digits than its factorization.

12272260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 12272260 is about 3503.1785566825. The cubic root of 12272260 is about 230.6613604684.

Adding to 12272260 its reverse (6227221), we get a palindrome (18499481).

It can be divided in two parts, 12 and 272260, that added together give a palindrome (272272).

The spelling of 12272260 in words is "twelve million, two hundred seventy-two thousand, two hundred sixty".