Base | Representation |
---|---|
bin | 101111100101… |
… | …001000110110 |
3 | 212110200120202 |
4 | 233211020312 |
5 | 11143113021 |
6 | 1123200502 |
7 | 211006046 |
oct | 57451066 |
9 | 25420522 |
10 | 12472886 |
11 | 704a078 |
12 | 4216132 |
13 | 277930a |
14 | 1929726 |
15 | 1165a0b |
hex | be5236 |
12472886 has 4 divisors (see below), whose sum is σ = 18709332. Its totient is φ = 6236442.
The previous prime is 12472879. The next prime is 12472909. The reversal of 12472886 is 68827421.
It is a semiprime because it is the product of two primes.
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, 3118220 + ... + 3118223.
It is an arithmetic number, because the mean of its divisors is an integer number (4677333).
Almost surely, 212472886 is an apocalyptic number.
12472886 is a deficient number, since it is larger than the sum of its proper divisors (6236446).
12472886 is an equidigital number, since it uses as much as digits as its factorization.
12472886 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6236445.
The product of its digits is 43008, while the sum is 38.
The square root of 12472886 is about 3531.6973256495. The cubic root of 12472886 is about 231.9115174866.
The spelling of 12472886 in words is "twelve million, four hundred seventy-two thousand, eight hundred eighty-six".
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