Search a number
-
+
1323213 = 323127151
BaseRepresentation
bin101000011000011001101
32111020002220
411003003031
5314320323
644205553
714150523
oct5030315
92436086
101323213
11824171
125398b9
13374388
14266313
151b20e3
hex1430cd

1323213 has 16 divisors (see below), whose sum is σ = 1867776. Its totient is φ = 831600.

The previous prime is 1323199. The next prime is 1323221. The reversal of 1323213 is 3123231.

It is not a de Polignac number, because 1323213 - 24 = 1323197 is a prime.

1323213 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1323192 and 1323201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8688 + ... + 8838.

It is an arithmetic number, because the mean of its divisors is an integer number (116736).

21323213 is an apocalyptic number.

It is an amenable number.

1323213 is a deficient number, since it is larger than the sum of its proper divisors (544563).

1323213 is a wasteful number, since it uses less digits than its factorization.

1323213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 304.

The product of its digits is 108, while the sum is 15.

The square root of 1323213 is about 1150.3099582287. The cubic root of 1323213 is about 109.7850623838.

Adding to 1323213 its reverse (3123231), we get a palindrome (4446444).

The spelling of 1323213 in words is "one million, three hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 3 23 69 127 151 381 453 2921 3473 8763 10419 19177 57531 441071 1323213