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12706101 = 321411789
BaseRepresentation
bin110000011110…
…000100110101
3212220112111100
4300132010311
511223043401
61132200313
7213000012
oct60360465
925815440
1012706101
117199311
124309099
13282b505
14198a709
1511aeb86
hexc1e135

12706101 has 6 divisors (see below), whose sum is σ = 18353270. Its totient is φ = 8470728.

The previous prime is 12706093. The next prime is 12706139. The reversal of 12706101 is 10160721.

It can be written as a sum of positive squares in only one way, i.e., 7535025 + 5171076 = 2745^2 + 2274^2 .

It is not a de Polignac number, because 12706101 - 23 = 12706093 is a prime.

It is a super-2 number, since 2×127061012 = 322890005244402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12706151) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 705886 + ... + 705903.

Almost surely, 212706101 is an apocalyptic number.

It is an amenable number.

12706101 is a deficient number, since it is larger than the sum of its proper divisors (5647169).

12706101 is a wasteful number, since it uses less digits than its factorization.

12706101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411795 (or 1411792 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 18.

The square root of 12706101 is about 3564.5618244042. The cubic root of 12706101 is about 233.3480097344.

Adding to 12706101 its reverse (10160721), we get a palindrome (22866822).

The spelling of 12706101 in words is "twelve million, seven hundred six thousand, one hundred one".

Divisors: 1 3 9 1411789 4235367 12706101