12090060 has 120 divisors (see below), whose sum is σ = 40249440. Its totient is φ = 3027456.

The previous prime is 12090053. The next prime is 12090073. The reversal of 12090060 is 6009021.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 39 ways as a sum of consecutive naturals, for example, 27321 + ... + 27759.

It is an arithmetic number, because the mean of its divisors is an integer number (335412).

Almost surely, 2^12090060 is an apocalyptic number.

12090060 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 12090060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20124720).

12090060 is an abundant number, since it is smaller than the sum of its proper divisors (28159380).

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

12090060 is a wasteful number, since it uses less digits than its factorization.

12090060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 12090060 is about 3477.0763580917. The cubic root of 12090060 is about 229.5141603463.

Adding to 12090060 its reverse (6009021), we get a palindrome (18099081).

The spelling of 12090060 in words is "twelve million, ninety thousand, sixty".