12785494 has 4 divisors (see below), whose sum is σ = 19178244. Its totient is φ = 6392746.

The previous prime is 12785483. The next prime is 12785501. The reversal of 12785494 is 49458721.

12785494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49458721 = 13 ⋅3804517.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

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, 3196372 + ... + 3196375.

It is an arithmetic number, because the mean of its divisors is an integer number (4794561).

Almost surely, 2^12785494 is an apocalyptic number.

12785494 is a deficient number, since it is larger than the sum of its proper divisors (6392750).

12785494 is an equidigital number, since it uses as much as digits as its factorization.

12785494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392749.

The product of its digits is 80640, while the sum is 40.

The square root of 12785494 is about 3575.6809141756. The cubic root of 12785494 is about 233.8330194020.

The spelling of 12785494 in words is "twelve million, seven hundred eighty-five thousand, four hundred ninety-four".