Base | Representation |
---|---|
bin | 110001000110… |
… | …000100100101 |
3 | 220012212012220 |
4 | 301012010211 |
5 | 11243314200 |
6 | 1135502553 |
7 | 214251435 |
oct | 61060445 |
9 | 26185186 |
10 | 12869925 |
11 | 72a0402 |
12 | 4387a59 |
13 | 2887c53 |
14 | 19d02c5 |
15 | 11e34a0 |
hex | c46125 |
12869925 has 24 divisors (see below), whose sum is σ = 21501600. Its totient is φ = 6792000.
The previous prime is 12869893. The next prime is 12869933. The reversal of 12869925 is 52996821.
It is not a de Polignac number, because 12869925 - 25 = 12869893 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6726 + ... + 8424.
It is an arithmetic number, because the mean of its divisors is an integer number (895900).
Almost surely, 212869925 is an apocalyptic number.
12869925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12869925 is a deficient number, since it is larger than the sum of its proper divisors (8631675).
12869925 is a wasteful number, since it uses less digits than its factorization.
12869925 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1813 (or 1808 counting only the distinct ones).
The product of its digits is 77760, while the sum is 42.
The square root of 12869925 is about 3587.4677698901. The cubic root of 12869925 is about 234.3466081163.
It can be divided in two parts, 1286 and 9925, that added together give a palindrome (11211).
The spelling of 12869925 in words is "twelve million, eight hundred sixty-nine thousand, nine hundred twenty-five".
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