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13804691 is a prime number
BaseRepresentation
bin110100101010…
…010010010011
3221222100110212
4310222102103
512013222231
61211514335
7225223625
oct64522223
927870425
1013804691
11787973a
1247589ab
132b24574
141b94c15
15132a42b
hexd2a493

13804691 has 2 divisors, whose sum is σ = 13804692. Its totient is φ = 13804690.

The previous prime is 13804673. The next prime is 13804723. The reversal of 13804691 is 19640831.

It is a happy number.

It is an a-pointer prime, because the next prime (13804723) can be obtained adding 13804691 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13804691 - 210 = 13803667 is a prime.

It is a super-3 number, since 3×138046913 (a number of 22 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13804631) 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, 6902345 + 6902346.

It is an arithmetic number, because the mean of its divisors is an integer number (6902346).

Almost surely, 213804691 is an apocalyptic number.

13804691 is a deficient number, since it is larger than the sum of its proper divisors (1).

13804691 is an equidigital number, since it uses as much as digits as its factorization.

13804691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 13804691 is about 3715.4664579296. The cubic root of 13804691 is about 239.8882060354. Note that the first 3 decimals are identical.

The spelling of 13804691 in words is "thirteen million, eight hundred four thousand, six hundred ninety-one".