13020161 has 8 divisors (see below), whose sum is σ = 16233024. Its totient is φ = 10145520.

The previous prime is 13020157. The next prime is 13020169. The reversal of 13020161 is 16102031.

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

It is not a de Polignac number, because 13020161 - 2² = 13020157 is a prime.

It is a Duffinian number.

It is a Curzon 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 7 ways as a sum of consecutive naturals, for example, 84470 + ... + 84623.

It is an arithmetic number, because the mean of its divisors is an integer number (2029128).

Almost surely, 2^13020161 is an apocalyptic number.

13020161 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13020161 is a deficient number, since it is larger than the sum of its proper divisors (3212863).

13020161 is a wasteful number, since it uses less digits than its factorization.

13020161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169111.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 13020161 is about 3608.3460199931. The cubic root of 13020161 is about 235.2549579353.

Adding to 13020161 its reverse (16102031), we get a palindrome (29122192).

The spelling of 13020161 in words is "thirteen million, twenty thousand, one hundred sixty-one".