Base | Representation |
---|---|
bin | 101110110011… |
… | …110011010111 |
3 | 212002102101100 |
4 | 232303303113 |
5 | 11120131212 |
6 | 1115001143 |
7 | 206204643 |
oct | 56636327 |
9 | 25072340 |
10 | 12270807 |
11 | 6a2126a |
12 | 41391b3 |
13 | 2708343 |
14 | 18b5c23 |
15 | 1125bdc |
hex | bb3cd7 |
12270807 has 12 divisors (see below), whose sum is σ = 18102240. Its totient is φ = 8006208.
The previous prime is 12270763. The next prime is 12270871. The reversal of 12270807 is 70807221.
It is not a de Polignac number, because 12270807 - 26 = 12270743 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12270607) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14082 + ... + 14927.
It is an arithmetic number, because the mean of its divisors is an integer number (1508520).
Almost surely, 212270807 is an apocalyptic number.
12270807 is a deficient number, since it is larger than the sum of its proper divisors (5831433).
12270807 is a wasteful number, since it uses less digits than its factorization.
12270807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29062 (or 29059 counting only the distinct ones).
The product of its (nonzero) digits is 1568, while the sum is 27.
The square root of 12270807 is about 3502.9711674520. The cubic root of 12270807 is about 230.6522568970.
The spelling of 12270807 in words is "twelve million, two hundred seventy thousand, eight hundred seven".
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