13163969 has 8 divisors (see below), whose sum is σ = 16201920. Its totient is φ = 10415376.

The previous prime is 13163963. The next prime is 13163989. The reversal of 13163969 is 96936131.

13163969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13163969 is a prime.

It is a super-2 number, since 2×13163969² = 346580159665922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13163963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72239 + ... + 72420.

It is an arithmetic number, because the mean of its divisors is an integer number (2025240).

Almost surely, 2^13163969 is an apocalyptic number.

It is an amenable number.

13163969 is a deficient number, since it is larger than the sum of its proper divisors (3037951).

13163969 is a wasteful number, since it uses less digits than its factorization.

13163969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144679.

The product of its digits is 26244, while the sum is 38.

The square root of 13163969 is about 3628.2184333361. The cubic root of 13163969 is about 236.1179208165.

The spelling of 13163969 in words is "thirteen million, one hundred sixty-three thousand, nine hundred sixty-nine".