Base | Representation |
---|---|
bin | 101111001110… |
… | …100100000001 |
3 | 212021222201222 |
4 | 233032210001 |
5 | 11132133132 |
6 | 1121204425 |
7 | 210142340 |
oct | 57164401 |
9 | 25258658 |
10 | 12380417 |
11 | 6a96655 |
12 | 4190715 |
13 | 27461ba |
14 | 1903b57 |
15 | 1148412 |
hex | bce901 |
12380417 has 16 divisors (see below), whose sum is σ = 14902272. Its totient is φ = 10055760.
The previous prime is 12380413. The next prime is 12380443. The reversal of 12380417 is 71408321.
It is a cyclic number.
It is not a de Polignac number, because 12380417 - 22 = 12380413 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12380413) 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 15 ways as a sum of consecutive naturals, for example, 20798 + ... + 21384.
It is an arithmetic number, because the mean of its divisors is an integer number (931392).
Almost surely, 212380417 is an apocalyptic number.
It is an amenable number.
12380417 is a deficient number, since it is larger than the sum of its proper divisors (2521855).
12380417 is a wasteful number, since it uses less digits than its factorization.
12380417 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 748.
The product of its (nonzero) digits is 1344, while the sum is 26.
The square root of 12380417 is about 3518.5816744819. The cubic root of 12380417 is about 231.3369955616.
Adding to 12380417 its reverse (71408321), we get a palindrome (83788738).
The spelling of 12380417 in words is "twelve million, three hundred eighty thousand, four hundred seventeen".
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