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BaseRepresentation
bin100010100101010011101
32010120110212
410110222131
5242230323
640142205
712426554
oct4245235
92116425
101133213
11704444
12467965
13308a53
14216d9b
15175b78
hex114a9d

1133213 has 4 divisors (see below), whose sum is σ = 1152480. Its totient is φ = 1113948.

The previous prime is 1133191. The next prime is 1133219. The reversal of 1133213 is 3123311.

Adding to 1133213 its reverse (3123311), we get a palindrome (4256524).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123311 = 12724593.

It is a cyclic number.

It is not a de Polignac number, because 1133213 - 26 = 1133149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1133219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9545 + ... + 9662.

It is an arithmetic number, because the mean of its divisors is an integer number (288120).

21133213 is an apocalyptic number.

It is an amenable number.

1133213 is a deficient number, since it is larger than the sum of its proper divisors (19267).

1133213 is an equidigital number, since it uses as much as digits as its factorization.

1133213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19266.

The product of its digits is 54, while the sum is 14.

The square root of 1133213 is about 1064.5247766022. The cubic root of 1133213 is about 104.2566700163.

The spelling of 1133213 in words is "one million, one hundred thirty-three thousand, two hundred thirteen".

Divisors: 1 59 19207 1133213