12717272 has 16 divisors (see below), whose sum is σ = 24034560. Its totient is φ = 6308064.

The previous prime is 12717269. The next prime is 12717277. The reversal of 12717272 is 27271721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12717277) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5243 + ... + 7274.

It is an arithmetic number, because the mean of its divisors is an integer number (1502160).

Almost surely, 2^12717272 is an apocalyptic number.

It is an amenable number.

12717272 is a deficient number, since it is larger than the sum of its proper divisors (11317288).

12717272 is a wasteful number, since it uses less digits than its factorization.

12717272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12650 (or 12646 counting only the distinct ones).

The product of its digits is 2744, while the sum is 29.

The square root of 12717272 is about 3566.1284329087. The cubic root of 12717272 is about 233.4163749777.

Adding to 12717272 its reverse (27271721), we get a palindrome (39988993).

The spelling of 12717272 in words is "twelve million, seven hundred seventeen thousand, two hundred seventy-two".