Search a number
-
+
12684253 is a prime number
BaseRepresentation
bin110000011000…
…101111011101
3212212102112011
4300120233131
511221344003
61131511221
7212546221
oct60305735
925772464
1012684253
11718395a
1242b8511
13282159a
141982781
1511a846d
hexc18bdd

12684253 has 2 divisors, whose sum is σ = 12684254. Its totient is φ = 12684252.

The previous prime is 12684241. The next prime is 12684277. The reversal of 12684253 is 35248621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 974169 = 3422^2 + 987^2 .

It is an emirp because it is prime and its reverse (35248621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12684253 - 213 = 12676061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12684283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6342126 + 6342127.

It is an arithmetic number, because the mean of its divisors is an integer number (6342127).

Almost surely, 212684253 is an apocalyptic number.

It is an amenable number.

12684253 is a deficient number, since it is larger than the sum of its proper divisors (1).

12684253 is an equidigital number, since it uses as much as digits as its factorization.

12684253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 12684253 is about 3561.4958935818. The cubic root of 12684253 is about 233.2141865628.

The spelling of 12684253 in words is "twelve million, six hundred eighty-four thousand, two hundred fifty-three".