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13235473 is a prime number
BaseRepresentation
bin110010011111…
…010100010001
3220220102122201
4302133110101
511342013343
61151403201
7220333246
oct62372421
926812581
1013235473
117520009
124523501
132985454
141a875cd
15126694d
hexc9f511

13235473 has 2 divisors, whose sum is σ = 13235474. Its totient is φ = 13235472.

The previous prime is 13235471. The next prime is 13235477. The reversal of 13235473 is 37453231.

13235473 is digitally balanced in base 2, 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., 11778624 + 1456849 = 3432^2 + 1207^2 .

It is an emirp because it is prime and its reverse (37453231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13235473 - 21 = 13235471 is a prime.

Together with 13235471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13235471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6617736 + 6617737.

It is an arithmetic number, because the mean of its divisors is an integer number (6617737).

Almost surely, 213235473 is an apocalyptic number.

It is an amenable number.

13235473 is a deficient number, since it is larger than the sum of its proper divisors (1).

13235473 is an equidigital number, since it uses as much as digits as its factorization.

13235473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7560, while the sum is 28.

The square root of 13235473 is about 3638.0589604898. The cubic root of 13235473 is about 236.5446639137.

The spelling of 13235473 in words is "thirteen million, two hundred thirty-five thousand, four hundred seventy-three".