12119680 has 64 divisors (see below), whose sum is σ = 30018600. Its totient is φ = 4673536.

The previous prime is 12119677. The next prime is 12119693. The reversal of 12119680 is 8691121.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8340544 + 3779136 = 2888^2 + 1944^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 18234 + ... + 18886.

Almost surely, 2^12119680 is an apocalyptic number.

12119680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12119680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15009300).

12119680 is an abundant number, since it is smaller than the sum of its proper divisors (17898920).

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

12119680 is an equidigital number, since it uses as much as digits as its factorization.

12119680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 689 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 12119680 is about 3481.3330780033. Note that the first 3 decimals coincide. The cubic root of 12119680 is about 229.7014399579.

The spelling of 12119680 in words is "twelve million, one hundred nineteen thousand, six hundred eighty".