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1330213 is a prime number
BaseRepresentation
bin101000100110000100101
32111120201011
411010300211
5320031323
644302221
714210113
oct5046045
92446634
101330213
11829455
12541971
13377611
14268ab3
151b420d
hex144c25

1330213 has 2 divisors, whose sum is σ = 1330214. Its totient is φ = 1330212.

The previous prime is 1330211. The next prime is 1330223. The reversal of 1330213 is 3120331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1205604 + 124609 = 1098^2 + 353^2 .

It is an emirp because it is prime and its reverse (3120331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1330213 - 21 = 1330211 is a prime.

Together with 1330211, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1330193 and 1330202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1330211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 665106 + 665107.

It is an arithmetic number, because the mean of its divisors is an integer number (665107).

21330213 is an apocalyptic number.

It is an amenable number.

1330213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1330213 is an equidigital number, since it uses as much as digits as its factorization.

1330213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1330213 is about 1153.3486029818. The cubic root of 1330213 is about 109.9783152847.

Adding to 1330213 its reverse (3120331), we get a palindrome (4450544).

The spelling of 1330213 in words is "one million, three hundred thirty thousand, two hundred thirteen".