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12703313 = 71814759
BaseRepresentation
bin110000011101…
…011001010001
3212220101200002
4300131121101
511223001223
61132135345
7212655620
oct60353121
925811602
1012703313
117197207
124307555
13282a16c
1419896b7
1511ade28
hexc1d651

12703313 has 4 divisors (see below), whose sum is σ = 14518080. Its totient is φ = 10888548.

The previous prime is 12703307. The next prime is 12703357. The reversal of 12703313 is 31330721.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12703313 - 28 = 12703057 is a prime.

It is a super-2 number, since 2×127033132 = 322748322351938, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12703303) 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 3 ways as a sum of consecutive naturals, for example, 907373 + ... + 907386.

It is an arithmetic number, because the mean of its divisors is an integer number (3629520).

Almost surely, 212703313 is an apocalyptic number.

It is an amenable number.

12703313 is a deficient number, since it is larger than the sum of its proper divisors (1814767).

12703313 is an equidigital number, since it uses as much as digits as its factorization.

12703313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814766.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 12703313 is about 3564.1707310397. The cubic root of 12703313 is about 233.3309412453.

The spelling of 12703313 in words is "twelve million, seven hundred three thousand, three hundred thirteen".

Divisors: 1 7 1814759 12703313