Search a number
-
+
12160001 = 76312753
BaseRepresentation
bin101110011000…
…110000000001
3211212210101102
4232120300001
511103110001
61112344145
7205233620
oct56306001
924783342
1012160001
116955a97
1240a5055
132699a89
1418876b7
151102e6b
hexb98c01

12160001 has 8 divisors (see below), whose sum is σ = 13924224. Its totient is φ = 10402560.

The previous prime is 12159991. The next prime is 12160003. The reversal of 12160001 is 10006121.

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

It is a de Polignac number, because none of the positive numbers 2k-12160001 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 (12160003) 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, 3041 + ... + 5793.

It is an arithmetic number, because the mean of its divisors is an integer number (1740528).

Almost surely, 212160001 is an apocalyptic number.

It is an amenable number.

12160001 is a deficient number, since it is larger than the sum of its proper divisors (1764223).

12160001 is an equidigital number, since it uses as much as digits as its factorization.

12160001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3391.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12160001 is about 3487.1192982174. The cubic root of 12160001 is about 229.9558894614.

Adding to 12160001 its reverse (10006121), we get a palindrome (22166122).

The spelling of 12160001 in words is "twelve million, one hundred sixty thousand, one".

Divisors: 1 7 631 2753 4417 19271 1737143 12160001