Search a number
-
+
12683147 = 83152809
BaseRepresentation
bin110000011000…
…011110001011
3212212101000012
4300120132023
511221330042
61131502135
7212543051
oct60303613
925771005
1012683147
117183044
1242b794b
132820c29
1419821d1
1511a7e82
hexc1878b

12683147 has 4 divisors (see below), whose sum is σ = 12836040. Its totient is φ = 12530256.

The previous prime is 12683137. The next prime is 12683183. The reversal of 12683147 is 74138621.

12683147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74138621 = 81239127.

It is a cyclic number.

It is not a de Polignac number, because 12683147 - 214 = 12666763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12683137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76322 + ... + 76487.

It is an arithmetic number, because the mean of its divisors is an integer number (3209010).

Almost surely, 212683147 is an apocalyptic number.

12683147 is a deficient number, since it is larger than the sum of its proper divisors (152893).

12683147 is an equidigital number, since it uses as much as digits as its factorization.

12683147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152892.

The product of its digits is 8064, while the sum is 32.

The square root of 12683147 is about 3561.3406183627. The cubic root of 12683147 is about 233.2074080166.

The spelling of 12683147 in words is "twelve million, six hundred eighty-three thousand, one hundred forty-seven".

Divisors: 1 83 152809 12683147