12013560 has 192 divisors, whose sum is σ = 44815680. Its totient is φ = 2764800.

The previous prime is 12013553. The next prime is 12013571. The reversal of 12013560 is 6531021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 79485 + ... + 79635.

It is an arithmetic number, because the mean of its divisors is an integer number (233415).

Almost surely, 2^12013560 is an apocalyptic number.

12013560 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 12013560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22407840).

12013560 is an abundant number, since it is smaller than the sum of its proper divisors (32802120).

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

12013560 is a wasteful number, since it uses less digits than its factorization.

12013560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 12013560 is about 3466.0582799486. The cubic root of 12013560 is about 229.0290511887.

Adding to 12013560 its reverse (6531021), we get a palindrome (18544581).

It can be divided in two parts, 1201 and 3560, that added together give a square (4761 = 69²).

The spelling of 12013560 in words is "twelve million, thirteen thousand, five hundred sixty".