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13041247 is a prime number
BaseRepresentation
bin110001101111…
…111001011111
3220112120020011
4301233321133
511314304442
61143304051
7215564062
oct61577137
926476204
1013041247
1173a809a
12444b027
132917c1b
141a368d9
151229117
hexc6fe5f

13041247 has 2 divisors, whose sum is σ = 13041248. Its totient is φ = 13041246.

The previous prime is 13041211. The next prime is 13041269. The reversal of 13041247 is 74214031.

13041247 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (13041269) can be obtained adding 13041247 to its sum of digits (22).

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13041247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13041547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6520623 + 6520624.

It is an arithmetic number, because the mean of its divisors is an integer number (6520624).

Almost surely, 213041247 is an apocalyptic number.

13041247 is a deficient number, since it is larger than the sum of its proper divisors (1).

13041247 is an equidigital number, since it uses as much as digits as its factorization.

13041247 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 13041247 is about 3611.2666752817. The cubic root of 13041247 is about 235.3818870001.

Adding to 13041247 its reverse (74214031), we get a palindrome (87255278).

The spelling of 13041247 in words is "thirteen million, forty-one thousand, two hundred forty-seven".