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12793077 = 3211129223
BaseRepresentation
bin110000110011…
…010011110101
3220001221210200
4300303103311
511233334302
61134111113
7213511413
oct60632365
926057720
1012793077
1172486a0
12434b499
13285bc8b
1419b02b3
1511ca81c
hexc334f5

12793077 has 12 divisors (see below), whose sum is σ = 20158944. Its totient is φ = 7753320.

The previous prime is 12793063. The next prime is 12793093. The reversal of 12793077 is 77039721.

It is not a de Polignac number, because 12793077 - 210 = 12792053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12793007) 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 11 ways as a sum of consecutive naturals, for example, 64513 + ... + 64710.

It is an arithmetic number, because the mean of its divisors is an integer number (1679912).

Almost surely, 212793077 is an apocalyptic number.

It is an amenable number.

12793077 is a deficient number, since it is larger than the sum of its proper divisors (7365867).

12793077 is a wasteful number, since it uses less digits than its factorization.

12793077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129240 (or 129237 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 12793077 is about 3576.7411144784. The cubic root of 12793077 is about 233.8792385874.

It can be divided in two parts, 1279 and 3077, that added together give a square (4356 = 662).

The spelling of 12793077 in words is "twelve million, seven hundred ninety-three thousand, seventy-seven".

Divisors: 1 3 9 11 33 99 129223 387669 1163007 1421453 4264359 12793077