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12671349 = 34223783
BaseRepresentation
bin110000010101…
…100101110101
3212211202211020
4300111211311
511220440344
61131331353
7212463465
oct60254565
925752736
1012671349
117175199
1242b0b59
132818752
14197bba5
1511a4719
hexc15975

12671349 has 4 divisors (see below), whose sum is σ = 16895136. Its totient is φ = 8447564.

The previous prime is 12671339. The next prime is 12671377. The reversal of 12671349 is 94317621.

12671349 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12671349 - 24 = 12671333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12671339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2111889 + ... + 2111894.

It is an arithmetic number, because the mean of its divisors is an integer number (4223784).

Almost surely, 212671349 is an apocalyptic number.

It is an amenable number.

12671349 is a deficient number, since it is larger than the sum of its proper divisors (4223787).

12671349 is an equidigital number, since it uses as much as digits as its factorization.

12671349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223786.

The product of its digits is 9072, while the sum is 33.

The square root of 12671349 is about 3559.6838342752. The cubic root of 12671349 is about 233.1350749023.

The spelling of 12671349 in words is "twelve million, six hundred seventy-one thousand, three hundred forty-nine".

Divisors: 1 3 4223783 12671349