Base | Representation |
---|---|
bin | 101111010101… |
… | …000010000001 |
3 | 212100100002022 |
4 | 233111002001 |
5 | 11134010123 |
6 | 1121531225 |
7 | 210312521 |
oct | 57250201 |
9 | 25310068 |
10 | 12406913 |
11 | 7004552 |
12 | 41a3b15 |
13 | 275528c |
14 | 190d681 |
15 | 11511c8 |
hex | bd5081 |
12406913 has 8 divisors (see below), whose sum is σ = 13364736. Its totient is φ = 11484000.
The previous prime is 12406907. The next prime is 12406937. The reversal of 12406913 is 31960421.
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 12406913 - 24 = 12406897 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12406963) 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, 7988 + ... + 9413.
It is an arithmetic number, because the mean of its divisors is an integer number (1670592).
Almost surely, 212406913 is an apocalyptic number.
It is an amenable number.
12406913 is a deficient number, since it is larger than the sum of its proper divisors (957823).
12406913 is a wasteful number, since it uses less digits than its factorization.
12406913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17455.
The product of its (nonzero) digits is 1296, while the sum is 26.
The square root of 12406913 is about 3522.3448156022. The cubic root of 12406913 is about 231.5019102418.
The spelling of 12406913 in words is "twelve million, four hundred six thousand, nine hundred thirteen".
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