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12977934 = 2323157599
BaseRepresentation
bin110001100000…
…011100001110
3220102100101020
4301200130032
511310243214
61142055010
7215211354
oct61403416
926370336
1012977934
117364572
12441a466
1328c5168
141a1b7d4
1512154a9
hexc6070e

12977934 has 32 divisors (see below), whose sum is σ = 27302400. Its totient is φ = 4104672.

The previous prime is 12977929. The next prime is 12977947. The reversal of 12977934 is 43977921.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21367 + ... + 21965.

It is an arithmetic number, because the mean of its divisors is an integer number (853200).

Almost surely, 212977934 is an apocalyptic number.

12977934 is an abundant number, since it is smaller than the sum of its proper divisors (14324466).

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

12977934 is a wasteful number, since it uses less digits than its factorization.

12977934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 784.

The product of its digits is 95256, while the sum is 42.

The square root of 12977934 is about 3602.4899722275. The cubic root of 12977934 is about 235.0003561184. Note that the first 3 decimals are identical.

The spelling of 12977934 in words is "twelve million, nine hundred seventy-seven thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 23 46 69 138 157 314 471 599 942 1198 1797 3594 3611 7222 10833 13777 21666 27554 41331 82662 94043 188086 282129 564258 2162989 4325978 6488967 12977934