12772284 has 48 divisors (see below), whose sum is σ = 34234368. Its totient is φ = 3630528.

The previous prime is 12772283. The next prime is 12772303. The reversal of 12772284 is 48227721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772283) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 31974 + ... + 32370.

It is an arithmetic number, because the mean of its divisors is an integer number (713216).

Almost surely, 2^12772284 is an apocalyptic number.

12772284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12772284 is an abundant number, since it is smaller than the sum of its proper divisors (21462084).

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

12772284 is a wasteful number, since it uses less digits than its factorization.

12772284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 792 counting only the distinct ones).

The product of its digits is 12544, while the sum is 33.

The square root of 12772284 is about 3573.8332361765. The cubic root of 12772284 is about 233.7524593906.

The spelling of 12772284 in words is "twelve million, seven hundred seventy-two thousand, two hundred eighty-four".