12272700 has 72 divisors (see below), whose sum is σ = 38747520. Its totient is φ = 2974400.

The previous prime is 12272699. The next prime is 12272707. The reversal of 12272700 is 727221.

12272700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12272707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1441 + ... + 5159.

It is an arithmetic number, because the mean of its divisors is an integer number (538160).

Almost surely, 2^12272700 is an apocalyptic number.

12272700 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 12272700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19373760).

12272700 is an abundant number, since it is smaller than the sum of its proper divisors (26474820).

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

12272700 is a wasteful number, since it uses less digits than its factorization.

12272700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747 (or 3740 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 12272700 is about 3503.2413562300. The cubic root of 12272700 is about 230.6641170860.

Adding to 12272700 its reverse (727221), we get a palindrome (12999921).

The spelling of 12272700 in words is "twelve million, two hundred seventy-two thousand, seven hundred".