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12102717 = 3111372677
BaseRepresentation
bin101110001010…
…110000111101
3211202212210210
4232022300331
511044241332
61111223033
7204604614
oct56126075
924685723
1012102717
116916a50
124077a79
132679993
14187087b
1510e0ecc
hexb8ac3d

12102717 has 16 divisors (see below), whose sum is σ = 17739072. Its totient is φ = 7278720.

The previous prime is 12102703. The next prime is 12102733. The reversal of 12102717 is 71720121.

It is a happy number.

It is not a de Polignac number, because 12102717 - 26 = 12102653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102693 and 12102702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102757) 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 15 ways as a sum of consecutive naturals, for example, 3183 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (1108692).

Almost surely, 212102717 is an apocalyptic number.

It is an amenable number.

12102717 is a deficient number, since it is larger than the sum of its proper divisors (5636355).

12102717 is a wasteful number, since it uses less digits than its factorization.

12102717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 12102717 is about 3478.8959455551. The cubic root of 12102717 is about 229.5942246743.

Adding to 12102717 its reverse (71720121), we get a palindrome (83822838).

The spelling of 12102717 in words is "twelve million, one hundred two thousand, seven hundred seventeen".

Divisors: 1 3 11 33 137 411 1507 2677 4521 8031 29447 88341 366749 1100247 4034239 12102717