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13804897 is a prime number
BaseRepresentation
bin110100101010…
…010101100001
3221222100202111
4310222111201
512013224042
61211515321
7225224341
oct64522541
927870674
1013804897
117879907
124758b41
132b246a2
141b94d21
15132a517
hexd2a561

13804897 has 2 divisors, whose sum is σ = 13804898. Its totient is φ = 13804896.

The previous prime is 13804891. The next prime is 13804909. The reversal of 13804897 is 79840831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9740641 + 4064256 = 3121^2 + 2016^2 .

It is a cyclic number.

It is not a de Polignac number, because 13804897 - 211 = 13802849 is a prime.

It is not a weakly prime, because it can be changed into another prime (13804891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6902448 + 6902449.

It is an arithmetic number, because the mean of its divisors is an integer number (6902449).

Almost surely, 213804897 is an apocalyptic number.

It is an amenable number.

13804897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13804897 is an equidigital number, since it uses as much as digits as its factorization.

13804897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 13804897 is about 3715.4941797828. The cubic root of 13804897 is about 239.8893992705.

The spelling of 13804897 in words is "thirteen million, eight hundred four thousand, eight hundred ninety-seven".