12725272 has 32 divisors (see below), whose sum is σ = 27417600. Its totient is φ = 5423904.

The previous prime is 12725263. The next prime is 12725281. The reversal of 12725272 is 27252721.

It is an interprime number because it is at equal distance from previous prime (12725263) and next prime (12725281).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12725272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11979 + ... + 12997.

It is an arithmetic number, because the mean of its divisors is an integer number (856800).

Almost surely, 2^12725272 is an apocalyptic number.

12725272 is the 1784-th decagonal number.

It is an amenable number.

12725272 is an abundant number, since it is smaller than the sum of its proper divisors (14692328).

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

12725272 is a wasteful number, since it uses less digits than its factorization.

12725272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1251 counting only the distinct ones).

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

The square root of 12725272 is about 3567.2499211578. The cubic root of 12725272 is about 233.4653094656.

Adding to 12725272 its reverse (27252721), we get a palindrome (39977993).

The spelling of 12725272 in words is "twelve million, seven hundred twenty-five thousand, two hundred seventy-two".