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12232413 = 3210113457
BaseRepresentation
bin101110101010…
…011011011101
3212000110201100
4232222123131
511112414123
61114103313
7205655004
oct56523335
925013640
1012232413
1169a5436
12411ab39
1326c3a1b
1418a5c3b
151119643
hexbaa6dd

12232413 has 12 divisors (see below), whose sum is σ = 17845308. Its totient is φ = 8073600.

The previous prime is 12232397. The next prime is 12232421. The reversal of 12232413 is 31423221.

It can be written as a sum of positive squares in 2 ways, for example, as 12089529 + 142884 = 3477^2 + 378^2 .

It is not a de Polignac number, because 12232413 - 24 = 12232397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12232433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5820 + ... + 7637.

It is an arithmetic number, because the mean of its divisors is an integer number (1487109).

Almost surely, 212232413 is an apocalyptic number.

It is an amenable number.

12232413 is a deficient number, since it is larger than the sum of its proper divisors (5612895).

12232413 is a wasteful number, since it uses less digits than its factorization.

12232413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13564 (or 13561 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12232413 is about 3497.4866690239. The cubic root of 12232413 is about 230.4114437494.

Adding to 12232413 its reverse (31423221), we get a palindrome (43655634).

The spelling of 12232413 in words is "twelve million, two hundred thirty-two thousand, four hundred thirteen".

Divisors: 1 3 9 101 303 909 13457 40371 121113 1359157 4077471 12232413