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13124047 is a prime number
BaseRepresentation
bin110010000100…
…000111001111
3220200202210211
4302010013033
511324432142
61145143251
7216360346
oct62040717
926622724
1013124047
117454322
12448ab27
132946811
141a58b5d
151243917
hexc841cf

13124047 has 2 divisors, whose sum is σ = 13124048. Its totient is φ = 13124046.

The previous prime is 13124021. The next prime is 13124057. The reversal of 13124047 is 74042131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13124047 - 27 = 13123919 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13124057) 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 as a sum of consecutive naturals, namely, 6562023 + 6562024.

It is an arithmetic number, because the mean of its divisors is an integer number (6562024).

Almost surely, 213124047 is an apocalyptic number.

13124047 is a deficient number, since it is larger than the sum of its proper divisors (1).

13124047 is an equidigital number, since it uses as much as digits as its factorization.

13124047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 13124047 is about 3622.7126576641. The cubic root of 13124047 is about 235.8789897191.

Adding to 13124047 its reverse (74042131), we get a palindrome (87166178).

The spelling of 13124047 in words is "thirteen million, one hundred twenty-four thousand, forty-seven".