12850478 has 4 divisors (see below), whose sum is σ = 19275720. Its totient is φ = 6425238.

The previous prime is 12850477. The next prime is 12850499. The reversal of 12850478 is 87405821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87405821 = 367 ⋅238163.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12850477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3212618 + ... + 3212621.

It is an arithmetic number, because the mean of its divisors is an integer number (4818930).

Almost surely, 2^12850478 is an apocalyptic number.

12850478 is a deficient number, since it is larger than the sum of its proper divisors (6425242).

12850478 is an equidigital number, since it uses as much as digits as its factorization.

12850478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6425241.

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12850478 is about 3584.7563376051. The cubic root of 12850478 is about 234.2285127413.

The spelling of 12850478 in words is "twelve million, eight hundred fifty thousand, four hundred seventy-eight".