12256980 has 48 divisors (see below), whose sum is σ = 34843200. Its totient is φ = 3218688.

The previous prime is 12256969. The next prime is 12256987. The reversal of 12256980 is 8965221.

12256980 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256987) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2496 + ... + 5544.

It is an arithmetic number, because the mean of its divisors is an integer number (725900).

Almost surely, 2^12256980 is an apocalyptic number.

12256980 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 12256980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17421600).

12256980 is an abundant number, since it is smaller than the sum of its proper divisors (22586220).

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

12256980 is a wasteful number, since it uses less digits than its factorization.

12256980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3128 (or 3126 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 12256980 is about 3500.9970008556. The cubic root of 12256980 is about 230.5655897527.

The spelling of 12256980 in words is "twelve million, two hundred fifty-six thousand, nine hundred eighty".