Base | Representation |
---|---|
bin | 110000100000… |
… | …101110111110 |
3 | 212221002102122 |
4 | 300200232332 |
5 | 11223420430 |
6 | 1132322542 |
7 | 213043526 |
oct | 60405676 |
9 | 25832378 |
10 | 12716990 |
11 | 71a6510 |
12 | 4313452 |
13 | 2833460 |
14 | 1990686 |
15 | 11b2ee5 |
hex | c20bbe |
12716990 has 32 divisors (see below), whose sum is σ = 26895456. Its totient is φ = 4268160.
The previous prime is 12716989. The next prime is 12717007. The reversal of 12716990 is 9961721.
12716990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 12716990.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017 + ... + 5876.
It is an arithmetic number, because the mean of its divisors is an integer number (840483).
Almost surely, 212716990 is an apocalyptic number.
12716990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12716990 is an abundant number, since it is smaller than the sum of its proper divisors (14178466).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12716990 is a wasteful number, since it uses less digits than its factorization.
12716990 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8924.
The product of its (nonzero) digits is 6804, while the sum is 35.
The square root of 12716990 is about 3566.0888940126. The cubic root of 12716990 is about 233.4146496626.
The spelling of 12716990 in words is "twelve million, seven hundred sixteen thousand, nine hundred ninety".
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