12251680 has 48 divisors (see below), whose sum is σ = 33082560. Its totient is φ = 4200192.

The previous prime is 12251677. The next prime is 12251719. The reversal of 12251680 is 8615221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4350 + ... + 6589.

It is an arithmetic number, because the mean of its divisors is an integer number (689220).

Almost surely, 2^12251680 is an apocalyptic number.

12251680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12251680 is an abundant number, since it is smaller than the sum of its proper divisors (20830880).

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

12251680 is a wasteful number, since it uses less digits than its factorization.

12251680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10961 (or 10953 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12251680 is about 3500.2399917720. The cubic root of 12251680 is about 230.5323522613.

The spelling of 12251680 in words is "twelve million, two hundred fifty-one thousand, six hundred eighty".