12785798 has 4 divisors (see below), whose sum is σ = 19178700. Its totient is φ = 6392898.

The previous prime is 12785789. The next prime is 12785807. The reversal of 12785798 is 89758721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12785789) and next prime (12785807).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3196448 + ... + 3196451.

It is an arithmetic number, because the mean of its divisors is an integer number (4794675).

Almost surely, 2^12785798 is an apocalyptic number.

12785798 is a deficient number, since it is larger than the sum of its proper divisors (6392902).

12785798 is an equidigital number, since it uses as much as digits as its factorization.

12785798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6392901.

The product of its digits is 282240, while the sum is 47.

The square root of 12785798 is about 3575.7234233089. The cubic root of 12785798 is about 233.8348726657.

The spelling of 12785798 in words is "twelve million, seven hundred eighty-five thousand, seven hundred ninety-eight".