12772312 has 16 divisors (see below), whose sum is σ = 27369360. Its totient is φ = 5473824.

The previous prime is 12772307. The next prime is 12772339. The reversal of 12772312 is 21327721.

12772312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113983 + ... + 114094.

It is an arithmetic number, because the mean of its divisors is an integer number (1710585).

Almost surely, 2^12772312 is an apocalyptic number.

It is an amenable number.

12772312 is an abundant number, since it is smaller than the sum of its proper divisors (14597048).

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

12772312 is a wasteful number, since it uses less digits than its factorization.

12772312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228090 (or 228086 counting only the distinct ones).

The product of its digits is 1176, while the sum is 25.

The square root of 12772312 is about 3573.8371535368. The cubic root of 12772312 is about 233.7526302048.

The spelling of 12772312 in words is "twelve million, seven hundred seventy-two thousand, three hundred twelve".