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13087379 is a prime number
BaseRepresentation
bin110001111011…
…001010010011
3220121220111202
4301323022103
511322244004
61144301415
7216145424
oct61731223
926556452
1013087379
117429818
12447186b
132932c16
141a4964b
151237b1e
hexc7b293

13087379 has 2 divisors, whose sum is σ = 13087380. Its totient is φ = 13087378.

The previous prime is 13087369. The next prime is 13087387. The reversal of 13087379 is 97378031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13087379 - 216 = 13021843 is a prime.

It is not a weakly prime, because it can be changed into another prime (13087339) 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, 6543689 + 6543690.

It is an arithmetic number, because the mean of its divisors is an integer number (6543690).

Almost surely, 213087379 is an apocalyptic number.

13087379 is a deficient number, since it is larger than the sum of its proper divisors (1).

13087379 is an equidigital number, since it uses as much as digits as its factorization.

13087379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13087379 is about 3617.6482692490. The cubic root of 13087379 is about 235.6591063632.

The spelling of 13087379 in words is "thirteen million, eighty-seven thousand, three hundred seventy-nine".