Base | Representation |
---|---|
bin | 101111100100… |
… | …111011000011 |
3 | 212110122101001 |
4 | 233210323003 |
5 | 11143101003 |
6 | 1123152431 |
7 | 211003345 |
oct | 57447303 |
9 | 25418331 |
10 | 12472003 |
11 | 7049445 |
12 | 4215717 |
13 | 2778aab |
14 | 1929295 |
15 | 116561d |
hex | be4ec3 |
12472003 has 4 divisors (see below), whose sum is σ = 13014288. Its totient is φ = 11929720.
The previous prime is 12471973. The next prime is 12472039. The reversal of 12472003 is 30027421.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12472003 - 25 = 12471971 is a prime.
It is a Duffinian number.
It is a plaindrome in base 13.
It is not an unprimeable number, because it can be changed into a prime (12472403) 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, 271108 + ... + 271153.
It is an arithmetic number, because the mean of its divisors is an integer number (3253572).
Almost surely, 212472003 is an apocalyptic number.
12472003 is a deficient number, since it is larger than the sum of its proper divisors (542285).
12472003 is an equidigital number, since it uses as much as digits as its factorization.
12472003 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 542284.
The product of its (nonzero) digits is 336, while the sum is 19.
The square root of 12472003 is about 3531.5723127242. The cubic root of 12472003 is about 231.9060447435.
Adding to 12472003 its reverse (30027421), we get a palindrome (42499424).
It can be divided in two parts, 124 and 72003, that added together give a palindrome (72127).
The spelling of 12472003 in words is "twelve million, four hundred seventy-two thousand, three".
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