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13227947 is a prime number
BaseRepresentation
bin110010011101…
…011110101011
3220220001022222
4302131132223
511341243242
61151304255
7220302305
oct62353653
926801288
1013227947
117515397
12451b08b
132981bb5
141a84975
1512645d2
hexc9d7ab

13227947 has 2 divisors, whose sum is σ = 13227948. Its totient is φ = 13227946.

The previous prime is 13227943. The next prime is 13227983. The reversal of 13227947 is 74972231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13227947 - 22 = 13227943 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13227941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6613973 + 6613974.

It is an arithmetic number, because the mean of its divisors is an integer number (6613974).

Almost surely, 213227947 is an apocalyptic number.

13227947 is a deficient number, since it is larger than the sum of its proper divisors (1).

13227947 is an equidigital number, since it uses as much as digits as its factorization.

13227947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 35.

The square root of 13227947 is about 3637.0244706353. The cubic root of 13227947 is about 236.4998204672.

The spelling of 13227947 in words is "thirteen million, two hundred twenty-seven thousand, nine hundred forty-seven".