12785607 has 20 divisors (see below), whose sum is σ = 19761720. Its totient is φ = 8228304.

The previous prime is 12785603. The next prime is 12785621. The reversal of 12785607 is 70658721.

It is not a de Polignac number, because 12785607 - 2² = 12785603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12785603) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 373 + ... + 5070.

It is an arithmetic number, because the mean of its divisors is an integer number (988086).

Almost surely, 2^12785607 is an apocalyptic number.

12785607 is a deficient number, since it is larger than the sum of its proper divisors (6976113).

12785607 is an equidigital number, since it uses as much as digits as its factorization.

12785607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5484 (or 5475 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 12785607 is about 3575.6967153270. The cubic root of 12785607 is about 233.8337082830.

The spelling of 12785607 in words is "twelve million, seven hundred eighty-five thousand, six hundred seven".