Search a number
-
+
12843101 is a prime number
BaseRepresentation
bin110000111111…
…100001011101
3220011111102102
4300333201131
511241434401
61135134445
7214110305
oct60774135
926144372
1012843101
117282237
124374425
13287898b
1419c4605
1511da56b
hexc3f85d

12843101 has 2 divisors, whose sum is σ = 12843102. Its totient is φ = 12843100.

The previous prime is 12843097. The next prime is 12843113. The reversal of 12843101 is 10134821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 4519876 = 2885^2 + 2126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12843101 - 22 = 12843097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12843121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421550 + 6421551.

It is an arithmetic number, because the mean of its divisors is an integer number (6421551).

Almost surely, 212843101 is an apocalyptic number.

It is an amenable number.

12843101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12843101 is an equidigital number, since it uses as much as digits as its factorization.

12843101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12843101 is about 3583.7272496662. The cubic root of 12843101 is about 234.1836834235.

Adding to 12843101 its reverse (10134821), we get a palindrome (22977922).

The spelling of 12843101 in words is "twelve million, eight hundred forty-three thousand, one hundred one".