12272725 has 24 divisors (see below), whose sum is σ = 16391808. Its totient is φ = 9081600.

The previous prime is 12272719. The next prime is 12272737. The reversal of 12272725 is 52727221.

12272725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12272725 - 2³ = 12272717 is a prime.

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12272693 and 12272702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28260 + ... + 28690.

It is an arithmetic number, because the mean of its divisors is an integer number (682992).

Almost surely, 2^12272725 is an apocalyptic number.

It is an amenable number.

12272725 is a deficient number, since it is larger than the sum of its proper divisors (4119083).

12272725 is a wasteful number, since it uses less digits than its factorization.

12272725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525 (or 520 counting only the distinct ones).

The product of its digits is 3920, while the sum is 28.

The square root of 12272725 is about 3503.2449243523. The cubic root of 12272725 is about 230.6642737101.

Adding to 12272725 its reverse (52727221), we get a palindrome (64999946).

The spelling of 12272725 in words is "twelve million, two hundred seventy-two thousand, seven hundred twenty-five".