Base | Representation |
---|---|
bin | 110100010011… |
… | …101101001110 |
3 | 221210122121111 |
4 | 310103231032 |
5 | 12002242311 |
6 | 1205522234 |
7 | 224360164 |
oct | 64235516 |
9 | 27718544 |
10 | 13712206 |
11 | 7816202 |
12 | 471337a |
13 | 2ac1441 |
14 | 1b6d234 |
15 | 130cd21 |
hex | d13b4e |
13712206 has 4 divisors (see below), whose sum is σ = 20568312. Its totient is φ = 6856102.
The previous prime is 13712191. The next prime is 13712219. The reversal of 13712206 is 60221731.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60221731 = 103 ⋅584677.
It is a congruent number.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 3428050 + ... + 3428053.
It is an arithmetic number, because the mean of its divisors is an integer number (5142078).
Almost surely, 213712206 is an apocalyptic number.
13712206 is a deficient number, since it is larger than the sum of its proper divisors (6856106).
13712206 is an equidigital number, since it uses as much as digits as its factorization.
13712206 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6856105.
The product of its (nonzero) digits is 504, while the sum is 22.
The square root of 13712206 is about 3702.9995949230. Note that the first 3 decimals coincide. The cubic root of 13712206 is about 239.3512921367.
Adding to 13712206 its reverse (60221731), we get a palindrome (73933937).
The spelling of 13712206 in words is "thirteen million, seven hundred twelve thousand, two hundred six".
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