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13695613 is a prime number
BaseRepresentation
bin110100001111…
…101001111101
3221202210211221
4310033221331
512001224423
61205313341
7224260621
oct64175175
927683757
1013695613
117804798
124705851
132ab6a19
141b67181
151307e5d
hexd0fa7d

13695613 has 2 divisors, whose sum is σ = 13695614. Its totient is φ = 13695612.

The previous prime is 13695593. The next prime is 13695631. The reversal of 13695613 is 31659631.

Together with next prime (13695631) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 6061444 = 2763^2 + 2462^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13695613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13695653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6847806 + 6847807.

It is an arithmetic number, because the mean of its divisors is an integer number (6847807).

Almost surely, 213695613 is an apocalyptic number.

It is an amenable number.

13695613 is a deficient number, since it is larger than the sum of its proper divisors (1).

13695613 is an equidigital number, since it uses as much as digits as its factorization.

13695613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14580, while the sum is 34.

The square root of 13695613 is about 3700.7584357804. The cubic root of 13695613 is about 239.2547076521.

The spelling of 13695613 in words is "thirteen million, six hundred ninety-five thousand, six hundred thirteen".