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12776982 = 232129497
BaseRepresentation
bin110000101111…
…011000010110
3220001010201120
4300233120112
511232330412
61133504410
7213413451
oct60573026
926033646
1012776982
117237599
124342106
13285485a
1419a8498
1511c5b8c
hexc2f616

12776982 has 8 divisors (see below), whose sum is σ = 25553976. Its totient is φ = 4258992.

The previous prime is 12776957. The next prime is 12776989. The reversal of 12776982 is 28967721.

12776982 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12776982 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12776989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064743 + ... + 1064754.

It is an arithmetic number, because the mean of its divisors is an integer number (3194247).

Almost surely, 212776982 is an apocalyptic number.

12776982 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12776982 is a wasteful number, since it uses less digits than its factorization.

12776982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129502.

The product of its digits is 84672, while the sum is 42.

The square root of 12776982 is about 3574.4904531975. The cubic root of 12776982 is about 233.7811160880.

The spelling of 12776982 in words is "twelve million, seven hundred seventy-six thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 2129497 4258994 6388491 12776982