12016445 has 8 divisors (see below), whose sum is σ = 16479744. Its totient is φ = 8239824.

The previous prime is 12016441. The next prime is 12016481. The reversal of 12016445 is 54461021.

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

It is a cyclic number.

It is not a de Polignac number, because 12016445 - 2² = 12016441 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 12016445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12016441) 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, 171629 + ... + 171698.

It is an arithmetic number, because the mean of its divisors is an integer number (2059968).

Almost surely, 2^12016445 is an apocalyptic number.

It is an amenable number.

12016445 is a deficient number, since it is larger than the sum of its proper divisors (4463299).

12016445 is an equidigital number, since it uses as much as digits as its factorization.

12016445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343339.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 12016445 is about 3466.4744337727. The cubic root of 12016445 is about 229.0473831383.

Adding to 12016445 its reverse (54461021), we get a palindrome (66477466).

The spelling of 12016445 in words is "twelve million, sixteen thousand, four hundred forty-five".