13056663 has 16 divisors (see below), whose sum is σ = 19236096. Its totient is φ = 7835520.

The previous prime is 13056661. The next prime is 13056677. The reversal of 13056663 is 36665031.

It is not a de Polignac number, because 13056663 - 2¹ = 13056661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13056663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13056661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4393 + ... + 6738.

It is an arithmetic number, because the mean of its divisors is an integer number (1202256).

Almost surely, 2^13056663 is an apocalyptic number.

13056663 is a deficient number, since it is larger than the sum of its proper divisors (6179433).

13056663 is a wasteful number, since it uses less digits than its factorization.

13056663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11174.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 13056663 is about 3613.4004760059. The cubic root of 13056663 is about 235.4745984386.

The spelling of 13056663 in words is "thirteen million, fifty-six thousand, six hundred sixty-three".