12021452 has 24 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 5665680.

The previous prime is 12021403. The next prime is 12021473. The reversal of 12021452 is 25412021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27677 + ... + 28107.

It is an arithmetic number, because the mean of its divisors is an integer number (927360).

Almost surely, 2^12021452 is an apocalyptic number.

It is an amenable number.

12021452 is a deficient number, since it is larger than the sum of its proper divisors (10235188).

12021452 is a wasteful number, since it uses less digits than its factorization.

12021452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 12021452 is about 3467.1965620657. The cubic root of 12021452 is about 229.0791917971.

Adding to 12021452 its reverse (25412021), we get a palindrome (37433473).

The spelling of 12021452 in words is "twelve million, twenty-one thousand, four hundred fifty-two".