Search a number
-
+
12223315 = 5131731087
BaseRepresentation
bin101110101000…
…001101010011
3212000000020101
4232220031103
511112121230
61113553231
7205616326
oct56501523
925000211
1012223315
116999615
124115817
1326bc840
1418a27bd
151116aca
hexba8353

12223315 has 16 divisors (see below), whose sum is σ = 15902208. Its totient is φ = 8966016.

The previous prime is 12223313. The next prime is 12223381. The reversal of 12223315 is 51332221.

12223315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12223315 - 21 = 12223313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12223292 and 12223301.

It is not an unprimeable number, because it can be changed into a prime (12223313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10702 + ... + 11788.

It is an arithmetic number, because the mean of its divisors is an integer number (993888).

Almost surely, 212223315 is an apocalyptic number.

12223315 is a deficient number, since it is larger than the sum of its proper divisors (3678893).

12223315 is a wasteful number, since it uses less digits than its factorization.

12223315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278.

The product of its digits is 360, while the sum is 19.

The square root of 12223315 is about 3496.1857788167. The cubic root of 12223315 is about 230.3543058475.

Adding to 12223315 its reverse (51332221), we get a palindrome (63555536).

The spelling of 12223315 in words is "twelve million, two hundred twenty-three thousand, three hundred fifteen".

Divisors: 1 5 13 65 173 865 1087 2249 5435 11245 14131 70655 188051 940255 2444663 12223315