Base | Representation |
---|---|
bin | 101111000110… |
… | …001010001011 |
3 | 212020020112002 |
4 | 233012022023 |
5 | 11130032440 |
6 | 1120341215 |
7 | 206640104 |
oct | 57061213 |
9 | 25206462 |
10 | 12345995 |
11 | 6a72802 |
12 | 417480b |
13 | 273362c |
14 | 18d53ab |
15 | 113d115 |
hex | bc628b |
12345995 has 16 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 9246720.
The previous prime is 12345959. The next prime is 12346013. The reversal of 12345995 is 59954321.
12345995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12345995 - 210 = 12344971 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28430 + ... + 28860.
It is an arithmetic number, because the mean of its divisors is an integer number (985608).
Almost surely, 212345995 is an apocalyptic number.
12345995 is a deficient number, since it is larger than the sum of its proper divisors (3423733).
12345995 is a wasteful number, since it uses less digits than its factorization.
12345995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 790.
The product of its digits is 48600, while the sum is 38.
The square root of 12345995 is about 3513.6868101753. The cubic root of 12345995 is about 231.1223966091.
The spelling of 12345995 in words is "twelve million, three hundred forty-five thousand, nine hundred ninety-five".
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