12772544 has 28 divisors (see below), whose sum is σ = 26450544. Its totient is φ = 6107904.

The previous prime is 12772537. The next prime is 12772553. The reversal of 12772544 is 44527721.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12772544.

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, 2867 + ... + 5810.

Almost surely, 2^12772544 is an apocalyptic number.

It is an amenable number.

12772544 is an abundant number, since it is smaller than the sum of its proper divisors (13678000).

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

12772544 is an equidigital number, since it uses as much as digits as its factorization.

12772544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8712 (or 8702 counting only the distinct ones).

The product of its digits is 15680, while the sum is 32.

The square root of 12772544 is about 3573.8696114996. The cubic root of 12772544 is about 233.7540455132.

The spelling of 12772544 in words is "twelve million, seven hundred seventy-two thousand, five hundred forty-four".