Base | Representation |
---|---|
bin | 110001000111… |
… | …010100100000 |
3 | 220020010020100 |
4 | 301013110200 |
5 | 11244000130 |
6 | 1135542400 |
7 | 214302363 |
oct | 61072440 |
9 | 26203210 |
10 | 12875040 |
11 | 72a4232 |
12 | 438aa00 |
13 | 288a389 |
14 | 19d20da |
15 | 11e4c60 |
hex | c47520 |
12875040 has 72 divisors (see below), whose sum is σ = 43940988. Its totient is φ = 3432960.
The previous prime is 12875021. The next prime is 12875059. The reversal of 12875040 is 4057821.
It is an interprime number because it is at equal distance from previous prime (12875021) and next prime (12875059).
It can be written as a sum of positive squares in 2 ways, for example, as 12873744 + 1296 = 3588^2 + 36^2 .
It is a tau number, because it is divible by the number of its divisors (72).
It is a junction number, because it is equal to n+sod(n) for n = 12874995 and 12875013.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3031 + ... + 5910.
Almost surely, 212875040 is an apocalyptic number.
12875040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12875040 is an abundant number, since it is smaller than the sum of its proper divisors (31065948).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12875040 is a wasteful number, since it uses less digits than its factorization.
12875040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8962 (or 8951 counting only the distinct ones).
The product of its (nonzero) digits is 2240, while the sum is 27.
The square root of 12875040 is about 3588.1805974616. The cubic root of 12875040 is about 234.3776501034.
The spelling of 12875040 in words is "twelve million, eight hundred seventy-five thousand, forty".
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