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13027019 = 89197743
BaseRepresentation
bin110001101100…
…011011001011
3220111211201012
4301230123023
511313331034
61143114135
7215504435
oct61543313
926454635
1013027019
117398435
12444294b
1329115c5
141a31655
151224cce
hexc6c6cb

13027019 has 8 divisors (see below), whose sum is σ = 13258080. Its totient is φ = 12798016.

The previous prime is 13027013. The next prime is 13027031. The reversal of 13027019 is 91072031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13027019 - 216 = 12961483 is a prime.

It is a super-2 number, since 2×130270192 = 339406448052722, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13026985 and 13027003.

It is not an unprimeable number, because it can be changed into a prime (13027013) 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 7 ways as a sum of consecutive naturals, for example, 17162 + ... + 17904.

It is an arithmetic number, because the mean of its divisors is an integer number (1657260).

Almost surely, 213027019 is an apocalyptic number.

13027019 is a deficient number, since it is larger than the sum of its proper divisors (231061).

13027019 is an equidigital number, since it uses as much as digits as its factorization.

13027019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 13027019 is about 3609.2961917803. The cubic root of 13027019 is about 235.2962553078.

The spelling of 13027019 in words is "thirteen million, twenty-seven thousand, nineteen".

Divisors: 1 89 197 743 17533 66127 146371 13027019