12776272 has 10 divisors (see below), whose sum is σ = 24754058. Its totient is φ = 6388128.

The previous prime is 12776263. The next prime is 12776287. The reversal of 12776272 is 27267721.

It can be written as a sum of positive squares in only one way, i.e., 8433216 + 4343056 = 2904^2 + 2084^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399243 + ... + 399274.

Almost surely, 2^12776272 is an apocalyptic number.

It is an amenable number.

12776272 is a deficient number, since it is larger than the sum of its proper divisors (11977786).

12776272 is an equidigital number, since it uses as much as digits as its factorization.

12776272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798525 (or 798519 counting only the distinct ones).

The product of its digits is 16464, while the sum is 34.

The square root of 12776272 is about 3574.3911369630. The cubic root of 12776272 is about 233.7767857053.

The spelling of 12776272 in words is "twelve million, seven hundred seventy-six thousand, two hundred seventy-two".