12013663 has 2 divisors, whose sum is σ = 12013664. Its totient is φ = 12013662.

The previous prime is 12013637. The next prime is 12013699. The reversal of 12013663 is 36631021.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12013663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12013363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006831 + 6006832.

It is an arithmetic number, because the mean of its divisors is an integer number (6006832).

Almost surely, 2^12013663 is an apocalyptic number.

12013663 is a deficient number, since it is larger than the sum of its proper divisors (1).

12013663 is an equidigital number, since it uses as much as digits as its factorization.

12013663 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 12013663 is about 3466.0731382935. The cubic root of 12013663 is about 229.0297057248.

Adding to 12013663 its reverse (36631021), we get a palindrome (48644684).

The spelling of 12013663 in words is "twelve million, thirteen thousand, six hundred sixty-three".