Base | Representation |
---|---|
bin | 101111010101… |
… | …100001111101 |
3 | 212100102220000 |
4 | 233111201331 |
5 | 11134041312 |
6 | 1121544513 |
7 | 210321501 |
oct | 57254175 |
9 | 25312800 |
10 | 12408957 |
11 | 7006040 |
12 | 41a5139 |
13 | 27561a2 |
14 | 1910301 |
15 | 1151adc |
hex | bd587d |
12408957 has 40 divisors (see below), whose sum is σ = 21315360. Its totient is φ = 7115040.
The previous prime is 12408923. The next prime is 12408971. The reversal of 12408957 is 75980421.
It is not a de Polignac number, because 12408957 - 214 = 12392573 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12408757) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16563 + ... + 17295.
It is an arithmetic number, because the mean of its divisors is an integer number (532884).
Almost surely, 212408957 is an apocalyptic number.
It is an amenable number.
12408957 is a deficient number, since it is larger than the sum of its proper divisors (8906403).
12408957 is a wasteful number, since it uses less digits than its factorization.
12408957 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 775 (or 766 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 12408957 is about 3522.6349512829. The cubic root of 12408957 is about 231.5146226149.
The spelling of 12408957 in words is "twelve million, four hundred eight thousand, nine hundred fifty-seven".
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