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13154117 is a prime number
BaseRepresentation
bin110010001011…
…011101000101
3220202022001112
4302023131011
511331412432
61145534405
7216544124
oct62133505
926668045
1013154117
117474979
1244a4405
132957402
141a65abb
15124c7b2
hexc8b745

13154117 has 2 divisors, whose sum is σ = 13154118. Its totient is φ = 13154116.

The previous prime is 13154047. The next prime is 13154131. The reversal of 13154117 is 71145131.

It is a happy number.

13154117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 6241 = 3626^2 + 79^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154117 - 218 = 12891973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13154092 and 13154101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13154147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577058 + 6577059.

It is an arithmetic number, because the mean of its divisors is an integer number (6577059).

Almost surely, 213154117 is an apocalyptic number.

It is an amenable number.

13154117 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154117 is an equidigital number, since it uses as much as digits as its factorization.

13154117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 13154117 is about 3626.8604880806. The cubic root of 13154117 is about 236.0590020533.

Adding to 13154117 its reverse (71145131), we get a palindrome (84299248).

The spelling of 13154117 in words is "thirteen million, one hundred fifty-four thousand, one hundred seventeen".