12021360 has 80 divisors (see below), whose sum is σ = 40143264. Its totient is φ = 2958336.

The previous prime is 12021353. The next prime is 12021367. The reversal of 12021360 is 6312021.

It is an interprime number because it is at equal distance from previous prime (12021353) and next prime (12021367).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021367) 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, 1194 + ... + 5046.

Almost surely, 2^12021360 is an apocalyptic number.

12021360 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 12021360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20071632).

12021360 is an abundant number, since it is smaller than the sum of its proper divisors (28121904).

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

12021360 is a wasteful number, since it uses less digits than its factorization.

12021360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3876 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 12021360 is about 3467.1832948375. The cubic root of 12021360 is about 229.0786074157.

Adding to 12021360 its reverse (6312021), we get a palindrome (18333381).

The spelling of 12021360 in words is "twelve million, twenty-one thousand, three hundred sixty".