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13105601 is a prime number
BaseRepresentation
bin110001111111…
…100111000001
3220122211111122
4301333213001
511323334401
61144522025
7216252515
oct61774701
926584448
1013105601
117441483
124480315
13293b2c2
141a52145
15123d21b
hexc7f9c1

13105601 has 2 divisors, whose sum is σ = 13105602. Its totient is φ = 13105600.

The previous prime is 13105579. The next prime is 13105613. The reversal of 13105601 is 10650131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11895601 + 1210000 = 3449^2 + 1100^2 .

It is an emirp because it is prime and its reverse (10650131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13105601 - 26 = 13105537 is a prime.

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 13105601.

It is not a weakly prime, because it can be changed into another prime (13105501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6552800 + 6552801.

It is an arithmetic number, because the mean of its divisors is an integer number (6552801).

Almost surely, 213105601 is an apocalyptic number.

It is an amenable number.

13105601 is a deficient number, since it is larger than the sum of its proper divisors (1).

13105601 is an equidigital number, since it uses as much as digits as its factorization.

13105601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 13105601 is about 3620.1658801773. The cubic root of 13105601 is about 235.7684276872.

Adding to 13105601 its reverse (10650131), we get a palindrome (23755732).

The spelling of 13105601 in words is "thirteen million, one hundred five thousand, six hundred one".