13163156 has 6 divisors (see below), whose sum is σ = 23035530. Its totient is φ = 6581576.

The previous prime is 13163131. The next prime is 13163159. The reversal of 13163156 is 65136131.

It can be written as a sum of positive squares in only one way, i.e., 10666756 + 2496400 = 3266^2 + 1580^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13163159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645391 + ... + 1645398.

It is an arithmetic number, because the mean of its divisors is an integer number (3839255).

Almost surely, 2^13163156 is an apocalyptic number.

It is an amenable number.

13163156 is a deficient number, since it is larger than the sum of its proper divisors (9872374).

13163156 is a wasteful number, since it uses less digits than its factorization.

13163156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290793 (or 3290791 counting only the distinct ones).

The product of its digits is 1620, while the sum is 26.

The square root of 13163156 is about 3628.1063931478. The cubic root of 13163156 is about 236.1130598758.

Adding to 13163156 its reverse (65136131), we get a palindrome (78299287).

The spelling of 13163156 in words is "thirteen million, one hundred sixty-three thousand, one hundred fifty-six".