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BaseRepresentation
bin11010010011101
3200110212
43102131
5412334
6142205
754161
oct32235
920425
1013469
11a135
127965
136191
144ca1
153ece
hex349d

13469 has 2 divisors, whose sum is σ = 13470. Its totient is φ = 13468.

The previous prime is 13463. The next prime is 13477. The reversal of 13469 is 96431.

Subtracting from 13469 its product of digits (648), we obtain a palindrome (12821).

13469 = 662 + 672 + 682.

13469 is digitally balanced in base 3, 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., 12100 + 1369 = 110^2 + 37^2 .

It is an emirp because it is prime and its reverse (96431) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13469 is a prime.

It is a super-2 number, since 2×134692 = 362827922, which contains 22 as substring.

It is a Chen prime.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6734 + 6735.

It is an arithmetic number, because the mean of its divisors is an integer number (6735).

213469 is an apocalyptic number.

It is an amenable number.

13469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13469 is an equidigital number, since it uses as much as digits as its factorization.

13469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 13469 is about 116.0560209554. The cubic root of 13469 is about 23.7927760954.

The spelling of 13469 in words is "thirteen thousand, four hundred sixty-nine".