13163657 has 8 divisors (see below), whose sum is σ = 14246400. Its totient is φ = 12090960.

The previous prime is 13163653. The next prime is 13163669. The reversal of 13163657 is 75636131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13163657 - 2² = 13163653 is a prime.

It is a super-2 number, since 2×13163657² = 346563731227298, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13163653) 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 in 7 ways as a sum of consecutive naturals, for example, 344 + ... + 5142.

It is an arithmetic number, because the mean of its divisors is an integer number (1780800).

Almost surely, 2^13163657 is an apocalyptic number.

It is an amenable number.

13163657 is a deficient number, since it is larger than the sum of its proper divisors (1082743).

13163657 is a wasteful number, since it uses less digits than its factorization.

13163657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5023.

The product of its digits is 11340, while the sum is 32.

The square root of 13163657 is about 3628.1754367726. The cubic root of 13163657 is about 236.1160553869.

Adding to 13163657 its reverse (75636131), we get a palindrome (88799788).

The spelling of 13163657 in words is "thirteen million, one hundred sixty-three thousand, six hundred fifty-seven".