12963776 has 56 divisors (see below), whose sum is σ = 30967680. Its totient is φ = 5260032.

The previous prime is 12963773. The next prime is 12963817. The reversal of 12963776 is 67736921.

12963776 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12963773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751 + ... + 9273.

Almost surely, 2^12963776 is an apocalyptic number.

12963776 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 12963776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15483840).

12963776 is an abundant number, since it is smaller than the sum of its proper divisors (18003904).

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

12963776 is a wasteful number, since it uses less digits than its factorization.

12963776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1561 (or 1551 counting only the distinct ones).

The product of its digits is 95256, while the sum is 41.

The square root of 12963776 is about 3600.5244062497. The cubic root of 12963776 is about 234.9148688170.

The spelling of 12963776 in words is "twelve million, nine hundred sixty-three thousand, seven hundred seventy-six".