13020163 has 4 divisors (see below), whose sum is σ = 14021728. Its totient is φ = 12018600.

The previous prime is 13020157. The next prime is 13020169. The reversal of 13020163 is 36102031.

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

It is an interprime number because it is at equal distance from previous prime (13020157) and next prime (13020169).

It is a cyclic number.

It is not a de Polignac number, because 13020163 - 2⁵ = 13020131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13020169) 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, 500763 + ... + 500788.

It is an arithmetic number, because the mean of its divisors is an integer number (3505432).

Almost surely, 2^13020163 is an apocalyptic number.

13020163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13020163 is a deficient number, since it is larger than the sum of its proper divisors (1001565).

13020163 is a wasteful number, since it uses less digits than its factorization.

13020163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001564.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 13020163 is about 3608.3462971284. The cubic root of 13020163 is about 235.2549699809.

Adding to 13020163 its reverse (36102031), we get a palindrome (49122194).

The spelling of 13020163 in words is "thirteen million, twenty thousand, one hundred sixty-three".