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12493017 = 321388113
BaseRepresentation
bin101111101010…
…000011011001
3212111201012100
4233222003121
511144234032
61123434013
7211121535
oct57520331
925451170
1012493017
117063209
124225909
132785524
141932bc5
15116b97c
hexbea0d9

12493017 has 6 divisors (see below), whose sum is σ = 18045482. Its totient is φ = 8328672.

The previous prime is 12493003. The next prime is 12493049. The reversal of 12493017 is 71039421.

It can be written as a sum of positive squares in only one way, i.e., 11943936 + 549081 = 3456^2 + 741^2 .

It is not a de Polignac number, because 12493017 - 211 = 12490969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12493067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 694048 + ... + 694065.

Almost surely, 212493017 is an apocalyptic number.

It is an amenable number.

12493017 is a deficient number, since it is larger than the sum of its proper divisors (5552465).

12493017 is a wasteful number, since it uses less digits than its factorization.

12493017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388119 (or 1388116 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12493017 is about 3534.5462226430. The cubic root of 12493017 is about 232.0362173443.

The spelling of 12493017 in words is "twelve million, four hundred ninety-three thousand, seventeen".

Divisors: 1 3 9 1388113 4164339 12493017