12081335 has 8 divisors (see below), whose sum is σ = 16568736. Its totient is φ = 8284320.

The previous prime is 12081331. The next prime is 12081343. The reversal of 12081335 is 53318021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12081335 - 2² = 12081331 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12081335.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12081331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 172556 + ... + 172625.

It is an arithmetic number, because the mean of its divisors is an integer number (2071092).

Almost surely, 2^12081335 is an apocalyptic number.

12081335 is a deficient number, since it is larger than the sum of its proper divisors (4487401).

12081335 is an equidigital number, since it uses as much as digits as its factorization.

12081335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345193.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 12081335 is about 3475.8214856347. The cubic root of 12081335 is about 229.4589361109.

Adding to 12081335 its reverse (53318021), we get a palindrome (65399356).

The spelling of 12081335 in words is "twelve million, eighty-one thousand, three hundred thirty-five".