Search a number
-
+
12306226 = 213944267
BaseRepresentation
bin101110111100…
…011100110010
3212011012222011
4232330130302
511122244401
61115433134
7206413132
oct56743462
925135864
1012306226
116a45939
1241557aa
13271b4ba
1418c4ac2
151131451
hexbbc732

12306226 has 8 divisors (see below), whose sum is σ = 18592560. Its totient is φ = 6108708.

The previous prime is 12306223. The next prime is 12306227. The reversal of 12306226 is 62260321.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 12306197 and 12306206.

It is not an unprimeable number, because it can be changed into a prime (12306223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21856 + ... + 22411.

It is an arithmetic number, because the mean of its divisors is an integer number (2324070).

Almost surely, 212306226 is an apocalyptic number.

12306226 is a deficient number, since it is larger than the sum of its proper divisors (6286334).

12306226 is a wasteful number, since it uses less digits than its factorization.

12306226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44408.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 12306226 is about 3508.0230900038. The cubic root of 12306226 is about 230.8739653422.

Adding to 12306226 its reverse (62260321), we get a palindrome (74566547).

The spelling of 12306226 in words is "twelve million, three hundred six thousand, two hundred twenty-six".

Divisors: 1 2 139 278 44267 88534 6153113 12306226