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13027997 is a prime number
BaseRepresentation
bin110001101100…
…101010011101
3220111220001102
4301230222131
511313343442
61143122445
7215510333
oct61545235
926456042
1013027997
117399144
124443425
132911b98
141a31b53
151225232
hexc6ca9d

13027997 has 2 divisors, whose sum is σ = 13027998. Its totient is φ = 13027996.

The previous prime is 13027991. The next prime is 13028009. The reversal of 13027997 is 79972031.

13027997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12243001 + 784996 = 3499^2 + 886^2 .

It is a cyclic number.

It is not a de Polignac number, because 13027997 - 24 = 13027981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13027997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13027991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6513998 + 6513999.

It is an arithmetic number, because the mean of its divisors is an integer number (6513999).

Almost surely, 213027997 is an apocalyptic number.

It is an amenable number.

13027997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13027997 is an equidigital number, since it uses as much as digits as its factorization.

13027997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23814, while the sum is 38.

The square root of 13027997 is about 3609.4316727152. The cubic root of 13027997 is about 235.3021434284.

The spelling of 13027997 in words is "thirteen million, twenty-seven thousand, nine hundred ninety-seven".