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12772038 = 232392551
BaseRepresentation
bin110000101110…
…001011000110
3220000212221110
4300232023012
511232201123
61133425450
7213363156
oct60561306
926025843
1012772038
117233904
12433b286
132852526
1419a6766
1511c4493
hexc2e2c6

12772038 has 16 divisors (see below), whose sum is σ = 26654976. Its totient is φ = 4072200.

The previous prime is 12772013. The next prime is 12772057. The reversal of 12772038 is 83027721.

It is a junction number, because it is equal to n+sod(n) for n = 12771996 and 12772014.

It is a congruent number.

It is an unprimeable number.

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, 46138 + ... + 46413.

It is an arithmetic number, because the mean of its divisors is an integer number (1665936).

Almost surely, 212772038 is an apocalyptic number.

12772038 is an abundant number, since it is smaller than the sum of its proper divisors (13882938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12772038 is a wasteful number, since it uses less digits than its factorization.

12772038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92579.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 12772038 is about 3573.7988191839. The cubic root of 12772038 is about 233.7509586547.

Adding to 12772038 its reverse (83027721), we get a palindrome (95799759).

The spelling of 12772038 in words is "twelve million, seven hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 3 6 23 46 69 138 92551 185102 277653 555306 2128673 4257346 6386019 12772038