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12914219 = 83155593
BaseRepresentation
bin110001010000…
…111000101011
3220022002222102
4301100320223
511301223334
61140444015
7214524533
oct61207053
926262872
1012914219
11732070a
1243a960b
1328a2166
141a024c3
15120167e
hexc50e2b

12914219 has 4 divisors (see below), whose sum is σ = 13069896. Its totient is φ = 12758544.

The previous prime is 12914207. The next prime is 12914267. The reversal of 12914219 is 91241921.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12914219 - 216 = 12848683 is a prime.

It is a super-2 number, since 2×129142192 = 333554104759922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12914191 and 12914200.

It is not an unprimeable number, because it can be changed into a prime (12914819) 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, 77714 + ... + 77879.

It is an arithmetic number, because the mean of its divisors is an integer number (3267474).

Almost surely, 212914219 is an apocalyptic number.

12914219 is a deficient number, since it is larger than the sum of its proper divisors (155677).

12914219 is an equidigital number, since it uses as much as digits as its factorization.

12914219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155676.

The product of its digits is 1296, while the sum is 29.

The square root of 12914219 is about 3593.6359025366. The cubic root of 12914219 is about 234.6151479625.

The spelling of 12914219 in words is "twelve million, nine hundred fourteen thousand, two hundred nineteen".

Divisors: 1 83 155593 12914219