12013572 has 24 divisors (see below), whose sum is σ = 28224000. Its totient is φ = 3977056.

The previous prime is 12013571. The next prime is 12013579. The reversal of 12013572 is 27531021.

It is not an unprimeable number, because it can be changed into a prime (12013571) 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, 1572 + ... + 5147.

It is an arithmetic number, because the mean of its divisors is an integer number (1176000).

Almost surely, 2^12013572 is an apocalyptic number.

12013572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12013572 is an abundant number, since it is smaller than the sum of its proper divisors (16210428).

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

12013572 is a wasteful number, since it uses less digits than its factorization.

12013572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6875 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 12013572 is about 3466.0600110212. The cubic root of 12013572 is about 229.0291274456.

Adding to 12013572 its reverse (27531021), we get a palindrome (39544593).

The spelling of 12013572 in words is "twelve million, thirteen thousand, five hundred seventy-two".