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13405103 is a prime number
BaseRepresentation
bin110011001000…
…101110101111
3221020001100022
4303020232233
511412430403
61155152355
7221640635
oct63105657
927201308
1013405103
1176264a8
1245a56bb
132a1471a
141acd355
15129bd38
hexcc8baf

13405103 has 2 divisors, whose sum is σ = 13405104. Its totient is φ = 13405102.

The previous prime is 13405097. The next prime is 13405111. The reversal of 13405103 is 30150431.

It is a weak prime.

It is an emirp because it is prime and its reverse (30150431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13405103 - 24 = 13405087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13405123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702551 + 6702552.

It is an arithmetic number, because the mean of its divisors is an integer number (6702552).

Almost surely, 213405103 is an apocalyptic number.

13405103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13405103 is an equidigital number, since it uses as much as digits as its factorization.

13405103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 13405103 is about 3661.2979938814. The cubic root of 13405103 is about 237.5509209375.

Adding to 13405103 its reverse (30150431), we get a palindrome (43555534).

The spelling of 13405103 in words is "thirteen million, four hundred five thousand, one hundred three".