12385785 has 16 divisors (see below), whose sum is σ = 20005056. Its totient is φ = 6543168.

The previous prime is 12385783. The next prime is 12385819. The reversal of 12385785 is 58758321.

It is not a de Polignac number, because 12385785 - 2¹ = 12385783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12385781) 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, 2254 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (1250316).

Almost surely, 2^12385785 is an apocalyptic number.

12385785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12385785 is a deficient number, since it is larger than the sum of its proper divisors (7619271).

12385785 is a wasteful number, since it uses less digits than its factorization.

12385785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832.

The product of its digits is 67200, while the sum is 39.

The square root of 12385785 is about 3519.3443991744. The cubic root of 12385785 is about 231.3704257106.

The spelling of 12385785 in words is "twelve million, three hundred eighty-five thousand, seven hundred eighty-five".