12061872 has 100 divisors (see below), whose sum is σ = 35919576. Its totient is φ = 3905280.

The previous prime is 12061859. The next prime is 12061873. The reversal of 12061872 is 27816021.

It is a super-2 number, since 2×12061872² = 290977512288768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12061873) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53023 + ... + 53249.

Almost surely, 2^12061872 is an apocalyptic number.

12061872 is a gapful number since it is divisible by the number (12) 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 12061872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17959788).

12061872 is an abundant number, since it is smaller than the sum of its proper divisors (23857704).

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

12061872 is a wasteful number, since it uses less digits than its factorization.

12061872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 12061872 is about 3473.0205873274. The cubic root of 12061872 is about 229.3356506286.

Adding to 12061872 its reverse (27816021), we get a palindrome (39877893).

The spelling of 12061872 in words is "twelve million, sixty-one thousand, eight hundred seventy-two".