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13007019 = 310094297
BaseRepresentation
bin110001100111…
…100010101011
3220110211021110
4301213202223
511312211034
61142441403
7215362224
oct61474253
926424243
1013007019
117384403
124433263
13290547c
141a2824b
15121dde9
hexc678ab

13007019 has 8 divisors (see below), whose sum is σ = 17363920. Its totient is φ = 8660736.

The previous prime is 13007009. The next prime is 13007041. The reversal of 13007019 is 91070031.

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

It is not a de Polignac number, because 13007019 - 24 = 13007003 is a prime.

It is a super-2 number, since 2×130070192 = 338365086532722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13006986 and 13007004.

It is not an unprimeable number, because it can be changed into a prime (13007009) 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, 879 + ... + 5175.

It is an arithmetic number, because the mean of its divisors is an integer number (2170490).

Almost surely, 213007019 is an apocalyptic number.

13007019 is a deficient number, since it is larger than the sum of its proper divisors (4356901).

13007019 is a wasteful number, since it uses less digits than its factorization.

13007019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 13007019 is about 3606.5245042839. The cubic root of 13007019 is about 235.1757791535.

The spelling of 13007019 in words is "thirteen million, seven thousand, nineteen".

Divisors: 1 3 1009 3027 4297 12891 4335673 13007019