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13703897 is a prime number
BaseRepresentation
bin110100010001…
…101011011001
3221210020012202
4310101223121
512002011042
61205415545
7224324024
oct64215331
927706182
1013703897
11780aa39
12470a5b5
132aba71c
141b6a1bb
15130a632
hexd11ad9

13703897 has 2 divisors, whose sum is σ = 13703898. Its totient is φ = 13703896.

The previous prime is 13703873. The next prime is 13703927. The reversal of 13703897 is 79830731.

It is a happy number.

13703897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13366336 + 337561 = 3656^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 13703897 - 210 = 13702873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13703897.

It is not a weakly prime, because it can be changed into another prime (13703827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6851948 + 6851949.

It is an arithmetic number, because the mean of its divisors is an integer number (6851949).

Almost surely, 213703897 is an apocalyptic number.

It is an amenable number.

13703897 is a deficient number, since it is larger than the sum of its proper divisors (1).

13703897 is an equidigital number, since it uses as much as digits as its factorization.

13703897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 38.

The square root of 13703897 is about 3701.8774966225. The cubic root of 13703897 is about 239.3029368800.

The spelling of 13703897 in words is "thirteen million, seven hundred three thousand, eight hundred ninety-seven".