Search a number
-
+
12764089 = 132933857
BaseRepresentation
bin110000101100…
…001110111001
3220000111001001
4300230032321
511231422324
61133325001
7213331042
oct60541671
926014031
1012764089
117228938
124336761
13284ba20
1419a38c9
1511c1e44
hexc2c3b9

12764089 has 8 divisors (see below), whose sum is σ = 14220360. Its totient is φ = 11375616.

The previous prime is 12764071. The next prime is 12764099. The reversal of 12764089 is 98046721.

12764089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4032064 + 8732025 = 2008^2 + 2955^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 12764089 - 211 = 12762041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12764039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16552 + ... + 17305.

It is an arithmetic number, because the mean of its divisors is an integer number (1777545).

Almost surely, 212764089 is an apocalyptic number.

It is an amenable number.

12764089 is a deficient number, since it is larger than the sum of its proper divisors (1456271).

12764089 is a wasteful number, since it uses less digits than its factorization.

12764089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33899.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 12764089 is about 3572.6865241720. The cubic root of 12764089 is about 233.7024549891.

The spelling of 12764089 in words is "twelve million, seven hundred sixty-four thousand, eighty-nine".

Divisors: 1 13 29 377 33857 440141 981853 12764089