Base | Representation |
---|---|
bin | 101111011001… |
… | …110110101101 |
3 | 212101100012000 |
4 | 233121312231 |
5 | 11140123134 |
6 | 1122202513 |
7 | 210424233 |
oct | 57316655 |
9 | 25340160 |
10 | 12426669 |
11 | 7018382 |
12 | 41b3439 |
13 | 2761278 |
14 | 1916953 |
15 | 1156e99 |
hex | bd9dad |
12426669 has 8 divisors (see below), whose sum is σ = 18409920. Its totient is φ = 8284428.
The previous prime is 12426653. The next prime is 12426671. The reversal of 12426669 is 96662421.
It is not a de Polignac number, because 12426669 - 24 = 12426653 is a prime.
It is a super-2 number, since 2×124266692 = 308844204871122, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12426619) 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, 230097 + ... + 230150.
It is an arithmetic number, because the mean of its divisors is an integer number (2301240).
Almost surely, 212426669 is an apocalyptic number.
It is an amenable number.
12426669 is a deficient number, since it is larger than the sum of its proper divisors (5983251).
12426669 is an equidigital number, since it uses as much as digits as its factorization.
12426669 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 460256 (or 460250 counting only the distinct ones).
The product of its digits is 31104, while the sum is 36.
The square root of 12426669 is about 3525.1480819960. The cubic root of 12426669 is about 231.6247215147.
The spelling of 12426669 in words is "twelve million, four hundred twenty-six thousand, six hundred sixty-nine".
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