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13324031 = 72271919
BaseRepresentation
bin110010110100…
…111011111111
3221001221010122
4302310323333
511402332111
61153325155
7221152400
oct62647377
927057118
1013324031
1175805a6
1245667bb
1329b6856
141aab9a7
151282cdb
hexcb4eff

13324031 has 6 divisors (see below), whose sum is σ = 15499440. Its totient is φ = 11420556.

The previous prime is 13324019. The next prime is 13324043. The reversal of 13324031 is 13042331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13324019) and next prime (13324043).

It is not a de Polignac number, because 13324031 - 214 = 13307647 is a prime.

It is a super-2 number, since 2×133240312 = 355059604177922, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13324231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135911 + ... + 136008.

It is an arithmetic number, because the mean of its divisors is an integer number (2583240).

Almost surely, 213324031 is an apocalyptic number.

13324031 is a deficient number, since it is larger than the sum of its proper divisors (2175409).

13324031 is an equidigital number, since it uses as much as digits as its factorization.

13324031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271933 (or 271926 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 13324031 is about 3650.2097200024. The cubic root of 13324031 is about 237.0710617912.

Adding to 13324031 its reverse (13042331), we get a palindrome (26366362).

The spelling of 13324031 in words is "thirteen million, three hundred twenty-four thousand, thirty-one".

Divisors: 1 7 49 271919 1903433 13324031