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12768998 = 211580409
BaseRepresentation
bin110000101101…
…011011100110
3220000201202212
4300231123212
511232101443
61133403422
7213351254
oct60553346
926021685
1012768998
1172315a0
124339572
132851028
1419a55d4
1511c3618
hexc2d6e6

12768998 has 8 divisors (see below), whose sum is σ = 20894760. Its totient is φ = 5804080.

The previous prime is 12768997. The next prime is 12769021. The reversal of 12768998 is 89986721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768997) 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 3 ways as a sum of consecutive naturals, for example, 290183 + ... + 290226.

It is an arithmetic number, because the mean of its divisors is an integer number (2611845).

Almost surely, 212768998 is an apocalyptic number.

12768998 is a deficient number, since it is larger than the sum of its proper divisors (8125762).

12768998 is a wasteful number, since it uses less digits than its factorization.

12768998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580422.

The product of its digits is 435456, while the sum is 50.

The square root of 12768998 is about 3573.3734761427. The cubic root of 12768998 is about 233.7324113850.

The spelling of 12768998 in words is "twelve million, seven hundred sixty-eight thousand, nine hundred ninety-eight".

Divisors: 1 2 11 22 580409 1160818 6384499 12768998