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13880563 is a prime number
BaseRepresentation
bin110100111100…
…110011110011
3222010012112221
4310330303303
512023134223
61213301511
7225661054
oct64746363
928105487
1013880563
117920744
124794897
132b4cc68
141bb472b
151342b5d
hexd3ccf3

13880563 has 2 divisors, whose sum is σ = 13880564. Its totient is φ = 13880562.

The previous prime is 13880561. The next prime is 13880567. The reversal of 13880563 is 36508831.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13880563 - 21 = 13880561 is a prime.

Together with 13880561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13880561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6940281 + 6940282.

It is an arithmetic number, because the mean of its divisors is an integer number (6940282).

Almost surely, 213880563 is an apocalyptic number.

13880563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13880563 is an equidigital number, since it uses as much as digits as its factorization.

13880563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13880563 is about 3725.6627598321. The cubic root of 13880563 is about 240.3268867449.

The spelling of 13880563 in words is "thirteen million, eight hundred eighty thousand, five hundred sixty-three".