12780683 has 4 divisors (see below), whose sum is σ = 12795048. Its totient is φ = 12766320.

The previous prime is 12780661. The next prime is 12780689. The reversal of 12780683 is 38608721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12780683 - 2¹⁶ = 12715147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12780689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5753 + ... + 7658.

It is an arithmetic number, because the mean of its divisors is an integer number (3198762).

Almost surely, 2^12780683 is an apocalyptic number.

12780683 is a deficient number, since it is larger than the sum of its proper divisors (14365).

12780683 is an equidigital number, since it uses as much as digits as its factorization.

It is an anagram of its base 9 representation: 12780683 = (26038718)₉.

12780683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14364.

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

The square root of 12780683 is about 3575.0081118789. The cubic root of 12780683 is about 233.8036863732.

The spelling of 12780683 in words is "twelve million, seven hundred eighty thousand, six hundred eighty-three".