12683505 has 8 divisors (see below), whose sum is σ = 20293632. Its totient is φ = 6764528.

The previous prime is 12683501. The next prime is 12683521. The reversal of 12683505 is 50538621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12683505 - 2² = 12683501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12683501) 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, 422769 + ... + 422798.

It is an arithmetic number, because the mean of its divisors is an integer number (2536704).

Almost surely, 2^12683505 is an apocalyptic number.

12683505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12683505 is a deficient number, since it is larger than the sum of its proper divisors (7610127).

12683505 is an equidigital number, since it uses as much as digits as its factorization.

12683505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845575.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 12683505 is about 3561.3908799793. The cubic root of 12683505 is about 233.2096022004.

The spelling of 12683505 in words is "twelve million, six hundred eighty-three thousand, five hundred five".