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13105693 is a prime number
BaseRepresentation
bin110001111111…
…101000011101
3220122211122001
4301333220131
511323340233
61144522301
7216253006
oct61775035
926584561
1013105693
117441557
124480391
13293b363
141a521ad
15123d27d
hexc7fa1d

13105693 has 2 divisors, whose sum is σ = 13105694. Its totient is φ = 13105692.

The previous prime is 13105679. The next prime is 13105711. The reversal of 13105693 is 39650131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6770404 + 6335289 = 2602^2 + 2517^2 .

It is a cyclic number.

It is not a de Polignac number, because 13105693 - 213 = 13097501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13105613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552846 + 6552847.

It is an arithmetic number, because the mean of its divisors is an integer number (6552847).

Almost surely, 213105693 is an apocalyptic number.

It is an amenable number.

13105693 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105693 is an equidigital number, since it uses as much as digits as its factorization.

13105693 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 13105693 is about 3620.1785867551. The cubic root of 13105693 is about 235.7689793761.

The spelling of 13105693 in words is "thirteen million, one hundred five thousand, six hundred ninety-three".