12877056 has 144 divisors (see below), whose sum is σ = 40225920. Its totient is φ = 4105728.

The previous prime is 12877037. The next prime is 12877061. The reversal of 12877056 is 65077821.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12877056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559861 + ... + 559883.

Almost surely, 2^12877056 is an apocalyptic number.

12877056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12877056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20112960).

12877056 is an abundant number, since it is smaller than the sum of its proper divisors (27348864).

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

12877056 is an frugal number, since it uses more digits than its factorization.

12877056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12877056 is about 3588.4615087806. The cubic root of 12877056 is about 234.3898825750.

The spelling of 12877056 in words is "twelve million, eight hundred seventy-seven thousand, fifty-six".