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13229827 = 13278283
BaseRepresentation
bin110010011101…
…111100000011
3220220010220121
4302131330003
511341323302
61151321111
7220310632
oct62357403
926803817
1013229827
117516846
124520197
132982a00
141a85519
151264e37
hexc9df03

13229827 has 6 divisors (see below), whose sum is σ = 14325972. Its totient is φ = 12211992.

The previous prime is 13229809. The next prime is 13229837. The reversal of 13229827 is 72892231.

It is a de Polignac number, because none of the positive numbers 2k-13229827 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13229792 and 13229801.

It is not an unprimeable number, because it can be changed into a prime (13229837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38973 + ... + 39310.

It is an arithmetic number, because the mean of its divisors is an integer number (2387662).

Almost surely, 213229827 is an apocalyptic number.

13229827 is a deficient number, since it is larger than the sum of its proper divisors (1096145).

13229827 is an equidigital number, since it uses as much as digits as its factorization.

13229827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78309 (or 78296 counting only the distinct ones).

The product of its digits is 12096, while the sum is 34.

The square root of 13229827 is about 3637.2829144844. The cubic root of 13229827 is about 236.5110239845.

The spelling of 13229827 in words is "thirteen million, two hundred twenty-nine thousand, eight hundred twenty-seven".

Divisors: 1 13 169 78283 1017679 13229827