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12801706 = 219336887
BaseRepresentation
bin110000110101…
…011010101010
3220002101122021
4300311122222
511234123311
61134215054
7213545521
oct60653252
926071567
1012801706
117254125
12435448a
132862b98
1419b34b8
1511cd171
hexc356aa

12801706 has 8 divisors (see below), whose sum is σ = 20213280. Its totient is φ = 6063948.

The previous prime is 12801703. The next prime is 12801751. The reversal of 12801706 is 60710821.

12801706 is digitally balanced in base 2, because in such base 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.

It is not an unprimeable number, because it can be changed into a prime (12801703) 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, 168406 + ... + 168481.

It is an arithmetic number, because the mean of its divisors is an integer number (2526660).

Almost surely, 212801706 is an apocalyptic number.

12801706 is a deficient number, since it is larger than the sum of its proper divisors (7411574).

12801706 is a wasteful number, since it uses less digits than its factorization.

12801706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336908.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 12801706 is about 3577.9471768040. The cubic root of 12801706 is about 233.9318110417.

The spelling of 12801706 in words is "twelve million, eight hundred one thousand, seven hundred six".

Divisors: 1 2 19 38 336887 673774 6400853 12801706