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13593961 is a prime number
BaseRepresentation
bin110011110110…
…110101101001
3221120122102001
4303312311221
511440001321
61203211001
7223355353
oct63666551
927518361
1013593961
117745387
124676a61
132a7c684
141b3c0d3
1512d7c91
hexcf6d69

13593961 has 2 divisors, whose sum is σ = 13593962. Its totient is φ = 13593960.

The previous prime is 13593959. The next prime is 13593971. The reversal of 13593961 is 16939531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 1904400 = 3419^2 + 1380^2 .

It is a cyclic number.

It is not a de Polignac number, because 13593961 - 21 = 13593959 is a prime.

Together with 13593959, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13593961.

It is not a weakly prime, because it can be changed into another prime (13593941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6796980 + 6796981.

It is an arithmetic number, because the mean of its divisors is an integer number (6796981).

Almost surely, 213593961 is an apocalyptic number.

It is an amenable number.

13593961 is a deficient number, since it is larger than the sum of its proper divisors (1).

13593961 is an equidigital number, since it uses as much as digits as its factorization.

13593961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21870, while the sum is 37.

The square root of 13593961 is about 3686.9989151070. The cubic root of 13593961 is about 238.6613025420.

The spelling of 13593961 in words is "thirteen million, five hundred ninety-three thousand, nine hundred sixty-one".