12983785 has 8 divisors (see below), whose sum is σ = 15603840. Its totient is φ = 10371504.

The previous prime is 12983779. The next prime is 12983791. The reversal of 12983785 is 58738921.

It is an interprime number because it is at equal distance from previous prime (12983779) and next prime (12983791).

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 12983785 - 2⁷ = 12983657 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2784 + ... + 5806.

It is an arithmetic number, because the mean of its divisors is an integer number (1950480).

Almost surely, 2^12983785 is an apocalyptic number.

It is an amenable number.

12983785 is a deficient number, since it is larger than the sum of its proper divisors (2620055).

12983785 is an equidigital number, since it uses as much as digits as its factorization.

12983785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887.

The product of its digits is 120960, while the sum is 43.

The square root of 12983785 is about 3603.3019579269. The cubic root of 12983785 is about 235.0356668363.

The spelling of 12983785 in words is "twelve million, nine hundred eighty-three thousand, seven hundred eighty-five".