Search a number
-
+
12772997 = 195471229
BaseRepresentation
bin110000101110…
…011010000101
3220000221020222
4300232122011
511232213442
61133434125
7213366026
oct60563205
926027228
1012772997
1172345a6
12433b945
132852ab3
1419a6c4d
1511c48d2
hexc2e685

12772997 has 8 divisors (see below), whose sum is σ = 13480800. Its totient is φ = 12068784.

The previous prime is 12772993. The next prime is 12773003. The reversal of 12772997 is 79927721.

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 12772997 - 22 = 12772993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9779 + ... + 11007.

It is an arithmetic number, because the mean of its divisors is an integer number (1685100).

Almost surely, 212772997 is an apocalyptic number.

It is an amenable number.

12772997 is a deficient number, since it is larger than the sum of its proper divisors (707803).

12772997 is a wasteful number, since it uses less digits than its factorization.

12772997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1795.

The product of its digits is 111132, while the sum is 44.

The square root of 12772997 is about 3573.9329876202. The cubic root of 12772997 is about 233.7568089755.

The spelling of 12772997 in words is "twelve million, seven hundred seventy-two thousand, nine hundred ninety-seven".

Divisors: 1 19 547 1229 10393 23351 672263 12772997