Search a number
-
+
13656827 is a prime number
BaseRepresentation
bin110100000110…
…001011111011
3221200211122102
4310012023323
511444004302
61204414015
7224036552
oct64061373
927624572
1013656827
117788638
1246a730b
132aa2182
141b56d99
1512eb702
hexd062fb

13656827 has 2 divisors, whose sum is σ = 13656828. Its totient is φ = 13656826.

The previous prime is 13656821. The next prime is 13656847. The reversal of 13656827 is 72865631.

It is a weak prime.

It is an emirp because it is prime and its reverse (72865631) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13656827 is a prime.

It is a Chen prime.

It is equal to p889193 and since 13656827 and 889193 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (13656821) 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, 6828413 + 6828414.

It is an arithmetic number, because the mean of its divisors is an integer number (6828414).

Almost surely, 213656827 is an apocalyptic number.

13656827 is a deficient number, since it is larger than the sum of its proper divisors (1).

13656827 is an equidigital number, since it uses as much as digits as its factorization.

13656827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 38.

The square root of 13656827 is about 3695.5144432136. The cubic root of 13656827 is about 239.0286375236.

It can be divided in two parts, 1365 and 6827, that added together give a 13-th power (8192 = 213).

The spelling of 13656827 in words is "thirteen million, six hundred fifty-six thousand, eight hundred twenty-seven".