12036560 has 40 divisors (see below), whose sum is σ = 28644000. Its totient is φ = 4701312.

The previous prime is 12036553. The next prime is 12036601. The reversal of 12036560 is 6563021.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691 + ... + 5189.

It is an arithmetic number, because the mean of its divisors is an integer number (716100).

Almost surely, 2^12036560 is an apocalyptic number.

12036560 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 12036560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14322000).

12036560 is an abundant number, since it is smaller than the sum of its proper divisors (16607440).

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

12036560 is a wasteful number, since it uses less digits than its factorization.

12036560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3555 (or 3549 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 12036560 is about 3469.3745834084. The cubic root of 12036560 is about 229.1751169703.

Adding to 12036560 its reverse (6563021), we get a palindrome (18599581).

It can be divided in two parts, 120365 and 60, that multiplied together give a triangular number (7221900 = T₃₈₀₀).

The spelling of 12036560 in words is "twelve million, thirty-six thousand, five hundred sixty".