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13323141 = 3213234951
BaseRepresentation
bin110010110100…
…101110000101
3221001212220200
4302310232011
511402320031
61153321113
7221146656
oct62645605
927055820
1013323141
11757a967
124566199
1329b6320
141aab52d
1512828e6
hexcb4b85

13323141 has 24 divisors (see below), whose sum is σ = 21630336. Its totient is φ = 7840800.

The previous prime is 13323127. The next prime is 13323169. The reversal of 13323141 is 14132331.

13323141 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13323141 - 25 = 13323109 is a prime.

It is a super-2 number, since 2×133231412 = 355012172211762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 216 + ... + 5166.

It is an arithmetic number, because the mean of its divisors is an integer number (901264).

Almost surely, 213323141 is an apocalyptic number.

It is an amenable number.

13323141 is a deficient number, since it is larger than the sum of its proper divisors (8307195).

13323141 is a wasteful number, since it uses less digits than its factorization.

13323141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4993 (or 4990 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 13323141 is about 3650.0878071630. The cubic root of 13323141 is about 237.0657831598.

Adding to 13323141 its reverse (14132331), we get a palindrome (27455472).

The spelling of 13323141 in words is "thirteen million, three hundred twenty-three thousand, one hundred forty-one".

Divisors: 1 3 9 13 23 39 69 117 207 299 897 2691 4951 14853 44559 64363 113873 193089 341619 579267 1024857 1480349 4441047 13323141