12272727 has 16 divisors (see below), whose sum is σ = 17360000. Its totient is φ = 7690464.

The previous prime is 12272719. The next prime is 12272737. The reversal of 12272727 is 72727221.

It is not a de Polignac number, because 12272727 - 2³ = 12272719 is a prime.

It is a Duffinian number.

12272727 is a modest number, since divided by 2727 gives 1227 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 12272694 and 12272703.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7149 + ... + 8697.

It is an arithmetic number, because the mean of its divisors is an integer number (1085000).

Almost surely, 2^12272727 is an apocalyptic number.

12272727 is a deficient number, since it is larger than the sum of its proper divisors (5087273).

12272727 is a wasteful number, since it uses less digits than its factorization.

12272727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710.

The product of its digits is 5488, while the sum is 30.

The square root of 12272727 is about 3503.2452098019. The cubic root of 12272727 is about 230.6642862400.

Adding to 12272727 its reverse (72727221), we get a palindrome (84999948).

The spelling of 12272727 in words is "twelve million, two hundred seventy-two thousand, seven hundred twenty-seven".