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13157267 is a prime number
BaseRepresentation
bin110010001100…
…001110010011
3220202110101012
4302030032103
511332013032
61150001135
7216556244
oct62141623
926673335
1013157267
117477282
1244a61ab
132958986
141a66ccb
15124d6b2
hexc8c393

13157267 has 2 divisors, whose sum is σ = 13157268. Its totient is φ = 13157266.

The previous prime is 13157251. The next prime is 13157293. The reversal of 13157267 is 76275131.

13157267 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 is an emirp because it is prime and its reverse (76275131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13157267 - 24 = 13157251 is a prime.

It is a super-2 number, since 2×131572672 = 346227349818578, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13157467) 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, 6578633 + 6578634.

It is an arithmetic number, because the mean of its divisors is an integer number (6578634).

Almost surely, 213157267 is an apocalyptic number.

13157267 is a deficient number, since it is larger than the sum of its proper divisors (1).

13157267 is an equidigital number, since it uses as much as digits as its factorization.

13157267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8820, while the sum is 32.

The square root of 13157267 is about 3627.2947219657. The cubic root of 13157267 is about 236.0778434677.

The spelling of 13157267 in words is "thirteen million, one hundred fifty-seven thousand, two hundred sixty-seven".