Base | Representation |
---|---|
bin | 110001010010… |
… | …001001100011 |
3 | 220022101002010 |
4 | 301102021203 |
5 | 11301410040 |
6 | 1140524003 |
7 | 214545606 |
oct | 61221143 |
9 | 26271063 |
10 | 12919395 |
11 | 7324595 |
12 | 43b0603 |
13 | 28a4618 |
14 | 1a0433d |
15 | 1202e80 |
hex | c52263 |
12919395 has 8 divisors (see below), whose sum is σ = 20671056. Its totient is φ = 6890336.
The previous prime is 12919381. The next prime is 12919397. The reversal of 12919395 is 59391921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12919395 - 27 = 12919267 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12919397) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430632 + ... + 430661.
It is an arithmetic number, because the mean of its divisors is an integer number (2583882).
Almost surely, 212919395 is an apocalyptic number.
12919395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12919395 is a deficient number, since it is larger than the sum of its proper divisors (7751661).
12919395 is an equidigital number, since it uses as much as digits as its factorization.
12919395 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 861301.
The product of its digits is 21870, while the sum is 39.
The square root of 12919395 is about 3594.3559923858. The cubic root of 12919395 is about 234.6464882447.
The spelling of 12919395 in words is "twelve million, nine hundred nineteen thousand, three hundred ninety-five".
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