12683805 has 16 divisors (see below), whose sum is σ = 20949504. Its totient is φ = 6546240.

The previous prime is 12683789. The next prime is 12683807. The reversal of 12683805 is 50838621.

It is a happy number.

It is not a de Polignac number, because 12683805 - 2⁴ = 12683789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13174 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (1309344).

Almost surely, 2^12683805 is an apocalyptic number.

12683805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12683805 is a deficient number, since it is larger than the sum of its proper divisors (8265699).

12683805 is a wasteful number, since it uses less digits than its factorization.

12683805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27316.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 12683805 is about 3561.4329981062. The cubic root of 12683805 is about 233.2114408701.

The spelling of 12683805 in words is "twelve million, six hundred eighty-three thousand, eight hundred five".