Base | Representation |
---|---|
bin | 101110111100… |
… | …101010001111 |
3 | 212011021011001 |
4 | 232330222033 |
5 | 11122311322 |
6 | 1115441131 |
7 | 206415502 |
oct | 56745217 |
9 | 25137131 |
10 | 12307087 |
11 | 6a46551 |
12 | 41561a7 |
13 | 271ba00 |
14 | 18c5139 |
15 | 1131827 |
hex | bbca8f |
12307087 has 6 divisors (see below), whose sum is σ = 13326792. Its totient is φ = 11360232.
The previous prime is 12307067. The next prime is 12307109. The reversal of 12307087 is 78070321.
It is a happy number.
It is not a de Polignac number, because 12307087 - 211 = 12305039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12307007) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36243 + ... + 36580.
It is an arithmetic number, because the mean of its divisors is an integer number (2221132).
Almost surely, 212307087 is an apocalyptic number.
12307087 is a deficient number, since it is larger than the sum of its proper divisors (1019705).
12307087 is an equidigital number, since it uses as much as digits as its factorization.
12307087 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72849 (or 72836 counting only the distinct ones).
The product of its (nonzero) digits is 2352, while the sum is 28.
The square root of 12307087 is about 3508.1458065480. The cubic root of 12307087 is about 230.8793495504.
The spelling of 12307087 in words is "twelve million, three hundred seven thousand, eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.127 sec. • engine limits •