Base | Representation |
---|---|
bin | 110000100010… |
… | …101100010010 |
3 | 212221111102200 |
4 | 300202230102 |
5 | 11224200020 |
6 | 1132424030 |
7 | 213106104 |
oct | 60425422 |
9 | 25844380 |
10 | 12725010 |
11 | 7201541 |
12 | 4318016 |
13 | 2836cbc |
14 | 1993574 |
15 | 11b5590 |
hex | c22b12 |
12725010 has 48 divisors (see below), whose sum is σ = 35035416. Its totient is φ = 3193344.
The previous prime is 12724981. The next prime is 12725017. The reversal of 12725010 is 1052721.
It can be written as a sum of positive squares in 4 ways, for example, as 12723489 + 1521 = 3567^2 + 39^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an alternating number because its digits alternate between odd and even.
It is not an unprimeable number, because it can be changed into a prime (12725017) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629 + ... + 5688.
Almost surely, 212725010 is an apocalyptic number.
12725010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12725010 is an abundant number, since it is smaller than the sum of its proper divisors (22310406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12725010 is a wasteful number, since it uses less digits than its factorization.
12725010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8347 (or 8344 counting only the distinct ones).
The product of its (nonzero) digits is 140, while the sum is 18.
The square root of 12725010 is about 3567.2131980020. The cubic root of 12725010 is about 233.4637071860.
Adding to 12725010 its reverse (1052721), we get a palindrome (13777731).
It can be divided in two parts, 127250 and 10, that added together give a triangular number (127260 = T504).
The spelling of 12725010 in words is "twelve million, seven hundred twenty-five thousand, ten".
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