Search a number
-
+
12306115 = 52461223
BaseRepresentation
bin101110111100…
…011011000011
3212011012211001
4232330123003
511122243430
61115432431
7206412613
oct56743303
925135731
1012306115
116a45848
124155717
13271b433
1418c4a43
1511313ca
hexbbc6c3

12306115 has 4 divisors (see below), whose sum is σ = 14767344. Its totient is φ = 9844888.

The previous prime is 12306061. The next prime is 12306137. The reversal of 12306115 is 51160321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12306115 - 27 = 12305987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12306092 and 12306101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1230607 + ... + 1230616.

It is an arithmetic number, because the mean of its divisors is an integer number (3691836).

Almost surely, 212306115 is an apocalyptic number.

12306115 is a deficient number, since it is larger than the sum of its proper divisors (2461229).

12306115 is an equidigital number, since it uses as much as digits as its factorization.

12306115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461228.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12306115 is about 3508.0072690917. The cubic root of 12306115 is about 230.8732711926.

Adding to 12306115 its reverse (51160321), we get a palindrome (63466436).

It can be divided in two parts, 12306 and 115, that added together give a palindrome (12421).

The spelling of 12306115 in words is "twelve million, three hundred six thousand, one hundred fifteen".

Divisors: 1 5 2461223 12306115