12446818 has 8 divisors (see below), whose sum is σ = 19482048. Its totient is φ = 5952804.

The previous prime is 12446809. The next prime is 12446851. The reversal of 12446818 is 81864421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135246 + ... + 135337.

It is an arithmetic number, because the mean of its divisors is an integer number (2435256).

Almost surely, 2^12446818 is an apocalyptic number.

12446818 is a deficient number, since it is larger than the sum of its proper divisors (7035230).

12446818 is a wasteful number, since it uses less digits than its factorization.

12446818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270608.

The product of its digits is 12288, while the sum is 34.

The square root of 12446818 is about 3528.0048185908. The cubic root of 12446818 is about 231.7498418339.

Subtracting from 12446818 its sum of digits (34), we obtain a square (12446784 = 3528²).

The spelling of 12446818 in words is "twelve million, four hundred forty-six thousand, eight hundred eighteen".