Base | Representation |
---|---|
bin | 101111001000… |
… | …111100011111 |
3 | 212020211011202 |
4 | 233020330133 |
5 | 11130414112 |
6 | 1120510115 |
7 | 210015266 |
oct | 57107437 |
9 | 25224152 |
10 | 12357407 |
11 | 6a80337 |
12 | 417b33b |
13 | 273889a |
14 | 18d95dd |
15 | 11416c2 |
hex | bc8f1f |
12357407 has 2 divisors, whose sum is σ = 12357408. Its totient is φ = 12357406.
The previous prime is 12357379. The next prime is 12357409. The reversal of 12357407 is 70475321.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 12357407 - 26 = 12357343 is a prime.
Together with 12357409, it forms a pair of twin primes.
It is a Chen prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12357407.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12357409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6178703 + 6178704.
It is an arithmetic number, because the mean of its divisors is an integer number (6178704).
Almost surely, 212357407 is an apocalyptic number.
12357407 is a deficient number, since it is larger than the sum of its proper divisors (1).
12357407 is an equidigital number, since it uses as much as digits as its factorization.
12357407 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5880, while the sum is 29.
The square root of 12357407 is about 3515.3103703656. The cubic root of 12357407 is about 231.1935872133.
The spelling of 12357407 in words is "twelve million, three hundred fifty-seven thousand, four hundred seven".
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