12016663 has 2 divisors, whose sum is σ = 12016664. Its totient is φ = 12016662.

The previous prime is 12016633. The next prime is 12016687. The reversal of 12016663 is 36661021.

It is a strong prime.

It is an emirp because it is prime and its reverse (36661021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12016663 - 2¹³ = 12008471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12016633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6008331 + 6008332.

It is an arithmetic number, because the mean of its divisors is an integer number (6008332).

Almost surely, 2^12016663 is an apocalyptic number.

12016663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12016663 is an equidigital number, since it uses as much as digits as its factorization.

12016663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 12016663 is about 3466.5058776814. The cubic root of 12016663 is about 229.0487682409.

Adding to 12016663 its reverse (36661021), we get a palindrome (48677684).

The spelling of 12016663 in words is "twelve million, sixteen thousand, six hundred sixty-three".