12763880 has 16 divisors (see below), whose sum is σ = 28718820. Its totient is φ = 5105536.

The previous prime is 12763859. The next prime is 12763897. The reversal of 12763880 is 8836721.

It can be written as a sum of positive squares in 2 ways, for example, as 12716356 + 47524 = 3566^2 + 218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12763880.

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, 159509 + ... + 159588.

Almost surely, 2^12763880 is an apocalyptic number.

12763880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12763880 is an abundant number, since it is smaller than the sum of its proper divisors (15954940).

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

12763880 is a wasteful number, since it uses less digits than its factorization.

12763880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319108 (or 319104 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12763880 is about 3572.6572743548. The cubic root of 12763880 is about 233.7011794292.

The spelling of 12763880 in words is "twelve million, seven hundred sixty-three thousand, eight hundred eighty".