12478806 has 32 divisors (see below), whose sum is σ = 27907200. Its totient is φ = 4133160.

The previous prime is 12478793. The next prime is 12478813. The reversal of 12478806 is 60887421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9021 + ... + 10311.

It is an arithmetic number, because the mean of its divisors is an integer number (872100).

Almost surely, 2^12478806 is an apocalyptic number.

12478806 is an abundant number, since it is smaller than the sum of its proper divisors (15428394).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12478806 is a wasteful number, since it uses less digits than its factorization.

12478806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12478806 is about 3532.5353501416. The cubic root of 12478806 is about 231.9482023681.

The spelling of 12478806 in words is "twelve million, four hundred seventy-eight thousand, eight hundred six".