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13272491 is a prime number
BaseRepresentation
bin110010101000…
…010110101011
3220222022102202
4302220112223
511344204431
61152250415
7220546211
oct62502653
926868382
1013272491
117545901
124540a0b
13299925b
141a96cb1
1512728cb
hexca85ab

13272491 has 2 divisors, whose sum is σ = 13272492. Its totient is φ = 13272490.

The previous prime is 13272487. The next prime is 13272551. The reversal of 13272491 is 19427231.

13272491 is digitally balanced in base 2, 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 (19427231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13272491 - 22 = 13272487 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13272451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6636245 + 6636246.

It is an arithmetic number, because the mean of its divisors is an integer number (6636246).

Almost surely, 213272491 is an apocalyptic number.

13272491 is a deficient number, since it is larger than the sum of its proper divisors (1).

13272491 is an equidigital number, since it uses as much as digits as its factorization.

13272491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 13272491 is about 3643.1430111924. The cubic root of 13272491 is about 236.7649874713.

The spelling of 13272491 in words is "thirteen million, two hundred seventy-two thousand, four hundred ninety-one".