13072163 has 4 divisors (see below), whose sum is σ = 14077728. Its totient is φ = 12066600.

The previous prime is 13072159. The next prime is 13072181. The reversal of 13072163 is 36127031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13072163 - 2² = 13072159 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13072663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502763 + ... + 502788.

It is an arithmetic number, because the mean of its divisors is an integer number (3519432).

Almost surely, 2^13072163 is an apocalyptic number.

13072163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13072163 is a deficient number, since it is larger than the sum of its proper divisors (1005565).

13072163 is a wasteful number, since it uses less digits than its factorization.

13072163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005564.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 13072163 is about 3615.5446339383. The cubic root of 13072163 is about 235.5677415063.

Adding to 13072163 its reverse (36127031), we get a palindrome (49199194).

The spelling of 13072163 in words is "thirteen million, seventy-two thousand, one hundred sixty-three".