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12772797 = 3172310889
BaseRepresentation
bin110000101110…
…010110111101
3220000220222120
4300232112331
511232212142
61133433153
7213365322
oct60562675
926026876
1012772797
117234434
12433b7b9
13285298b
1419a6b49
1511c47ec
hexc2e5bd

12772797 has 16 divisors (see below), whose sum is σ = 18817920. Its totient is φ = 7665152.

The previous prime is 12772777. The next prime is 12772801. The reversal of 12772797 is 79727721.

It is a cyclic number.

It is not a de Polignac number, because 12772797 - 211 = 12770749 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12772717) 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, 4272 + ... + 6617.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 212772797 is an apocalyptic number.

12772797 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12772797 is a deficient number, since it is larger than the sum of its proper divisors (6045123).

12772797 is a wasteful number, since it uses less digits than its factorization.

12772797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10932.

The product of its digits is 86436, while the sum is 42.

The square root of 12772797 is about 3573.9050071316. The cubic root of 12772797 is about 233.7555889119.

The spelling of 12772797 in words is "twelve million, seven hundred seventy-two thousand, seven hundred ninety-seven".

Divisors: 1 3 17 23 51 69 391 1173 10889 32667 185113 250447 555339 751341 4257599 12772797