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12426133 = 172193173
BaseRepresentation
bin101111011001…
…101110010101
3212101022110011
4233121232111
511140114013
61122200221
7210422536
oct57315625
925338404
1012426133
117017a35
1241b3071
132760c55
14191668d
151156c3d
hexbd9b95

12426133 has 24 divisors (see below), whose sum is σ = 14539520. Its totient is φ = 10575360.

The previous prime is 12426121. The next prime is 12426137. The reversal of 12426133 is 33162421.

It is a de Polignac number, because none of the positive numbers 2k-12426133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 170185 + ... + 170257.

Almost surely, 212426133 is an apocalyptic number.

It is an amenable number.

12426133 is a deficient number, since it is larger than the sum of its proper divisors (2113387).

12426133 is a wasteful number, since it uses less digits than its factorization.

12426133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 140 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 12426133 is about 3525.0720560011. The cubic root of 12426133 is about 231.6213912408.

Adding to 12426133 its reverse (33162421), we get a palindrome (45588554).

The spelling of 12426133 in words is "twelve million, four hundred twenty-six thousand, one hundred thirty-three".

Divisors: 1 17 19 31 73 289 323 527 589 1241 1387 2263 5491 8959 10013 21097 23579 38471 42997 170221 400843 654007 730949 12426133