12682780 has 24 divisors (see below), whose sum is σ = 29055600. Its totient is φ = 4611840.

The previous prime is 12682763. The next prime is 12682793. The reversal of 12682780 is 8728621.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28605 + ... + 29044.

It is an arithmetic number, because the mean of its divisors is an integer number (1210650).

Almost surely, 2^12682780 is an apocalyptic number.

12682780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12682780 is an abundant number, since it is smaller than the sum of its proper divisors (16372820).

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

12682780 is a wasteful number, since it uses less digits than its factorization.

12682780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57669 (or 57667 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 12682780 is about 3561.2890924495. The cubic root of 12682780 is about 233.2051586289.

The spelling of 12682780 in words is "twelve million, six hundred eighty-two thousand, seven hundred eighty".