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12733349 = 29439081
BaseRepresentation
bin110000100100…
…101110100101
3212221220212112
4300210232211
511224431344
61132530405
7213142316
oct60445645
925856775
1012733349
117207832
124320a05
13283aa35
14199660d
1511b7c9e
hexc24ba5

12733349 has 4 divisors (see below), whose sum is σ = 13172460. Its totient is φ = 12294240.

The previous prime is 12733339. The next prime is 12733351. The reversal of 12733349 is 94333721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94333721 = 821114901.

It can be written as a sum of positive squares in 2 ways, for example, as 10125124 + 2608225 = 3182^2 + 1615^2 .

It is a cyclic number.

It is not a de Polignac number, because 12733349 - 24 = 12733333 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 (12733309) 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, 219512 + ... + 219569.

It is an arithmetic number, because the mean of its divisors is an integer number (3293115).

Almost surely, 212733349 is an apocalyptic number.

It is an amenable number.

12733349 is a deficient number, since it is larger than the sum of its proper divisors (439111).

12733349 is an equidigital number, since it uses as much as digits as its factorization.

12733349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439110.

The product of its digits is 13608, while the sum is 32.

The square root of 12733349 is about 3568.3818461594. The cubic root of 12733349 is about 233.5146941463.

The spelling of 12733349 in words is "twelve million, seven hundred thirty-three thousand, three hundred forty-nine".

Divisors: 1 29 439081 12733349