Search a number
-
+
12730567 is a prime number
BaseRepresentation
bin110000100100…
…000011000111
3212221210001111
4300210003013
511224334232
61132505451
7213131233
oct60440307
925853044
1012730567
117205733
12431b287
1328396a5
1419955c3
1511b7047
hexc240c7

12730567 has 2 divisors, whose sum is σ = 12730568. Its totient is φ = 12730566.

The previous prime is 12730519. The next prime is 12730573. The reversal of 12730567 is 76503721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12730567 - 27 = 12730439 is a prime.

It is a super-2 number, since 2×127305672 = 324134672282978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12710567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365283 + 6365284.

It is an arithmetic number, because the mean of its divisors is an integer number (6365284).

Almost surely, 212730567 is an apocalyptic number.

12730567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12730567 is an equidigital number, since it uses as much as digits as its factorization.

12730567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 12730567 is about 3567.9920123229. The cubic root of 12730567 is about 233.4976867013.

The spelling of 12730567 in words is "twelve million, seven hundred thirty thousand, five hundred sixty-seven".