12122560 has 56 divisors (see below), whose sum is σ = 29571696. Its totient is φ = 4730880.

The previous prime is 12122557. The next prime is 12122563. The reversal of 12122560 is 6522121.

12122560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12122557) and next prime (12122563).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12122563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13320 + ... + 14200.

It is an arithmetic number, because the mean of its divisors is an integer number (528066).

Almost surely, 2^12122560 is an apocalyptic number.

12122560 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 12122560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14785848).

12122560 is an abundant number, since it is smaller than the sum of its proper divisors (17449136).

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

12122560 is an equidigital number, since it uses as much as digits as its factorization.

12122560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 12122560 is about 3481.7466880863. The cubic root of 12122560 is about 229.7196331708.

Adding to 12122560 its reverse (6522121), we get a palindrome (18644681).

The spelling of 12122560 in words is "twelve million, one hundred twenty-two thousand, five hundred sixty".