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13409741 is a prime number
BaseRepresentation
bin110011001001…
…110111001101
3221020021201002
4303021313031
511413102431
61155230045
7221660312
oct63116715
927207632
1013409741
117629a34
1245a8325
132a16877
141ad0d09
15129d3cb
hexcc9dcd

13409741 has 2 divisors, whose sum is σ = 13409742. Its totient is φ = 13409740.

The previous prime is 13409717. The next prime is 13409761. The reversal of 13409741 is 14790431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 240100 = 3629^2 + 490^2 .

It is an emirp because it is prime and its reverse (14790431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13409741 - 214 = 13393357 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13409761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6704870 + 6704871.

It is an arithmetic number, because the mean of its divisors is an integer number (6704871).

Almost surely, 213409741 is an apocalyptic number.

It is an amenable number.

13409741 is a deficient number, since it is larger than the sum of its proper divisors (1).

13409741 is an equidigital number, since it uses as much as digits as its factorization.

13409741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13409741 is about 3661.9313210381. The cubic root of 13409741 is about 237.5783143396.

The spelling of 13409741 in words is "thirteen million, four hundred nine thousand, seven hundred forty-one".