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12743307 = 3212711149
BaseRepresentation
bin110000100111…
…001010001011
3212222102112100
4300213022023
511230241212
61133044443
7213213333
oct60471213
925872470
1012743307
117214265
124326723
132842425
14199a0c3
1511babdc
hexc2728b

12743307 has 12 divisors (see below), whose sum is σ = 18553600. Its totient is φ = 8427888.

The previous prime is 12743279. The next prime is 12743309. The reversal of 12743307 is 70334721.

It is not a de Polignac number, because 12743307 - 210 = 12742283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12743309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4432 + ... + 6717.

Almost surely, 212743307 is an apocalyptic number.

12743307 is a deficient number, since it is larger than the sum of its proper divisors (5810293).

12743307 is a wasteful number, since it uses less digits than its factorization.

12743307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282 (or 11279 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 12743307 is about 3569.7768837842. The cubic root of 12743307 is about 233.5755509671.

It can be divided in two parts, 127 and 43307, that added together give a palindrome (43434).

The spelling of 12743307 in words is "twelve million, seven hundred forty-three thousand, three hundred seven".

Divisors: 1 3 9 127 381 1143 11149 33447 100341 1415923 4247769 12743307