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13088857 is a prime number
BaseRepresentation
bin110001111011…
…100001011001
3220121222112111
4301323201121
511322320412
61144312321
7216152635
oct61734131
926558474
1013088857
11742a941
1244726a1
1329337b2
141a49dc5
1512382a7
hexc7b859

13088857 has 2 divisors, whose sum is σ = 13088858. Its totient is φ = 13088856.

The previous prime is 13088839. The next prime is 13088879. The reversal of 13088857 is 75888031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12880921 + 207936 = 3589^2 + 456^2 .

It is a cyclic number.

It is not a de Polignac number, because 13088857 - 211 = 13086809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13088807) 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, 6544428 + 6544429.

It is an arithmetic number, because the mean of its divisors is an integer number (6544429).

Almost surely, 213088857 is an apocalyptic number.

It is an amenable number.

13088857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13088857 is an equidigital number, since it uses as much as digits as its factorization.

13088857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 13088857 is about 3617.8525398363. The cubic root of 13088857 is about 235.6679772774.

The spelling of 13088857 in words is "thirteen million, eighty-eight thousand, eight hundred fifty-seven".