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13192871 is a prime number
BaseRepresentation
bin110010010100…
…111010100111
3220211021012212
4302110322213
511334132441
61150434035
7220065116
oct62247247
926737185
1013192871
1174a0aaa
12450291b
13296bc43
141a75c7d
151258eeb
hexc94ea7

13192871 has 2 divisors, whose sum is σ = 13192872. Its totient is φ = 13192870.

The previous prime is 13192849. The next prime is 13192889. The reversal of 13192871 is 17829131.

It is a strong prime.

It is an emirp because it is prime and its reverse (17829131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13192871 - 214 = 13176487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13192801) 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, 6596435 + 6596436.

It is an arithmetic number, because the mean of its divisors is an integer number (6596436).

Almost surely, 213192871 is an apocalyptic number.

13192871 is a deficient number, since it is larger than the sum of its proper divisors (1).

13192871 is an equidigital number, since it uses as much as digits as its factorization.

13192871 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The square root of 13192871 is about 3632.1991960794. The cubic root of 13192871 is about 236.2905964968.

The spelling of 13192871 in words is "thirteen million, one hundred ninety-two thousand, eight hundred seventy-one".