Base | Representation |
---|---|
bin | 110000001001… |
… | …110010001001 |
3 | 212202022110222 |
4 | 300021302021 |
5 | 11212413420 |
6 | 1130315425 |
7 | 212202464 |
oct | 60116211 |
9 | 25668428 |
10 | 12622985 |
11 | 7141921 |
12 | 4288b75 |
13 | 27cc72b |
14 | 19682db |
15 | 1195225 |
hex | c09c89 |
12622985 has 8 divisors (see below), whose sum is σ = 15166656. Its totient is φ = 10085680.
The previous prime is 12622979. The next prime is 12622997. The reversal of 12622985 is 58922621.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-12622985 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7052 + ... + 8658.
It is an arithmetic number, because the mean of its divisors is an integer number (1895832).
Almost surely, 212622985 is an apocalyptic number.
It is an amenable number.
12622985 is a deficient number, since it is larger than the sum of its proper divisors (2543671).
12622985 is a wasteful number, since it uses less digits than its factorization.
12622985 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3183.
The product of its digits is 17280, while the sum is 35.
The square root of 12622985 is about 3552.8840397626. The cubic root of 12622985 is about 232.8380867784.
The spelling of 12622985 in words is "twelve million, six hundred twenty-two thousand, nine hundred eighty-five".
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