13163706 has 24 divisors (see below), whose sum is σ = 29218644. Its totient is φ = 4280640.

The previous prime is 13163699. The next prime is 13163707. The reversal of 13163706 is 60736131.

It can be written as a sum of positive squares in 2 ways, for example, as 13068225 + 95481 = 3615^2 + 309^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13163706.

It is not an unprimeable number, because it can be changed into a prime (13163707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8181 + ... + 9656.

Almost surely, 2^13163706 is an apocalyptic number.

13163706 is an abundant number, since it is smaller than the sum of its proper divisors (16054938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13163706 is a wasteful number, since it uses less digits than its factorization.

13163706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17886 (or 17883 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13163706 is about 3628.1821894717. The cubic root of 13163706 is about 236.1163483570.

Adding to 13163706 its reverse (60736131), we get a palindrome (73899837).

The spelling of 13163706 in words is "thirteen million, one hundred sixty-three thousand, seven hundred six".