Search a number
-
+
12729067 = 13979159
BaseRepresentation
bin110000100011…
…101011101011
3212221200222221
4300203223223
511224312232
61132454511
7213123661
oct60435353
925850887
1012729067
11720459a
12431a437
132838ac0
141994c31
1511b6897
hexc23aeb

12729067 has 4 divisors (see below), whose sum is σ = 13708240. Its totient is φ = 11749896.

The previous prime is 12729061. The next prime is 12729091. The reversal of 12729067 is 76092721.

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 12729067 - 27 = 12728939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12729061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489567 + ... + 489592.

It is an arithmetic number, because the mean of its divisors is an integer number (3427060).

Almost surely, 212729067 is an apocalyptic number.

12729067 is a deficient number, since it is larger than the sum of its proper divisors (979173).

12729067 is an equidigital number, since it uses as much as digits as its factorization.

12729067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979172.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 12729067 is about 3567.7818038664. The cubic root of 12729067 is about 233.4885155914.

The spelling of 12729067 in words is "twelve million, seven hundred twenty-nine thousand, sixty-seven".

Divisors: 1 13 979159 12729067