Base | Representation |
---|---|
bin | 101111011000… |
… | …111101111101 |
3 | 212101011012111 |
4 | 233120331331 |
5 | 11140014122 |
6 | 1122134021 |
7 | 210410524 |
oct | 57307575 |
9 | 25334174 |
10 | 12423037 |
11 | 7015680 |
12 | 41b1311 |
13 | 275c713 |
14 | 19154bb |
15 | 1155d77 |
hex | bd8f7d |
12423037 has 4 divisors (see below), whose sum is σ = 13552416. Its totient is φ = 11293660.
The previous prime is 12423031. The next prime is 12423053. The reversal of 12423037 is 73032421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12423037 - 219 = 11898749 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12422999 and 12423017.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12423031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 564673 + ... + 564694.
It is an arithmetic number, because the mean of its divisors is an integer number (3388104).
Almost surely, 212423037 is an apocalyptic number.
It is an amenable number.
12423037 is a deficient number, since it is larger than the sum of its proper divisors (1129379).
12423037 is a wasteful number, since it uses less digits than its factorization.
12423037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129378.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 12423037 is about 3524.6328886850. The cubic root of 12423037 is about 231.6021533065.
Adding to 12423037 its reverse (73032421), we get a palindrome (85455458).
The spelling of 12423037 in words is "twelve million, four hundred twenty-three thousand, thirty-seven".
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