13068663 has 4 divisors (see below), whose sum is σ = 17424888. Its totient is φ = 8712440.

The previous prime is 13068661. The next prime is 13068667. The reversal of 13068663 is 36686031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36686031 = 3 ⋅12228677.

It is a cyclic number.

It is not a de Polignac number, because 13068663 - 2¹ = 13068661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13068661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178108 + ... + 2178113.

It is an arithmetic number, because the mean of its divisors is an integer number (4356222).

Almost surely, 2^13068663 is an apocalyptic number.

13068663 is a deficient number, since it is larger than the sum of its proper divisors (4356225).

13068663 is an equidigital number, since it uses as much as digits as its factorization.

13068663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4356224.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13068663 is about 3615.0605804053. The cubic root of 13068663 is about 235.5467156391.

It can be divided in two parts, 13068 and 663, that added together give a palindrome (13731).

The spelling of 13068663 in words is "thirteen million, sixty-eight thousand, six hundred sixty-three".