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12017107 = 29414383
BaseRepresentation
bin101101110101…
…110111010011
3211121112101001
4231311313103
511034021412
61105322431
7204100204
oct55656723
924545331
1012017107
1168686a3
124036417
132649a1b
14184b5ab
1510c5957
hexb75dd3

12017107 has 4 divisors (see below), whose sum is σ = 12431520. Its totient is φ = 11602696.

The previous prime is 12017077. The next prime is 12017111. The reversal of 12017107 is 70171021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70171021 = 607115603.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12017107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12017207) 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, 207163 + ... + 207220.

It is an arithmetic number, because the mean of its divisors is an integer number (3107880).

Almost surely, 212017107 is an apocalyptic number.

12017107 is a deficient number, since it is larger than the sum of its proper divisors (414413).

12017107 is an equidigital number, since it uses as much as digits as its factorization.

12017107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414412.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 12017107 is about 3466.5699185218. The cubic root of 12017107 is about 229.0515892237.

Adding to 12017107 its reverse (70171021), we get a palindrome (82188128).

The spelling of 12017107 in words is "twelve million, seventeen thousand, one hundred seven".

Divisors: 1 29 414383 12017107