12775272 has 32 divisors (see below), whose sum is σ = 32719680. Its totient is φ = 4154240.

The previous prime is 12775237. The next prime is 12775289. The reversal of 12775272 is 27257721.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5508 + ... + 7475.

It is an arithmetic number, because the mean of its divisors is an integer number (1022490).

Almost surely, 2^12775272 is an apocalyptic number.

12775272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12775272 is an abundant number, since it is smaller than the sum of its proper divisors (19944408).

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

12775272 is a wasteful number, since it uses less digits than its factorization.

12775272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13033 (or 13029 counting only the distinct ones).

The product of its digits is 13720, while the sum is 33.

The square root of 12775272 is about 3574.2512502621. The cubic root of 12775272 is about 233.7706863026.

The spelling of 12775272 in words is "twelve million, seven hundred seventy-five thousand, two hundred seventy-two".