12446880 has 48 divisors (see below), whose sum is σ = 39209184. Its totient is φ = 3319040.

The previous prime is 12446879. The next prime is 12446893. The reversal of 12446880 is 8864421.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12486 + ... + 13445.

It is an arithmetic number, because the mean of its divisors is an integer number (816858).

Almost surely, 2^12446880 is an apocalyptic number.

12446880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12446880 is an abundant number, since it is smaller than the sum of its proper divisors (26762304).

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

12446880 is a wasteful number, since it uses less digits than its factorization.

12446880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25949 (or 25941 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 12446880 is about 3528.0136054159. The cubic root of 12446880 is about 231.7502266301.

The spelling of 12446880 in words is "twelve million, four hundred forty-six thousand, eight hundred eighty".