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13105067 = 37438237
BaseRepresentation
bin110001111111…
…011110101011
3220122210202212
4301333132223
511323330232
61144515335
7216251123
oct61773653
926583685
1013105067
117441038
12447bb4b
13293aca1
141a51c83
15123ceb2
hexc7f7ab

13105067 has 8 divisors (see below), whose sum is σ = 13773936. Its totient is φ = 12452832.

The previous prime is 13105051. The next prime is 13105091. The reversal of 13105067 is 76050131.

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 13105067 - 24 = 13105051 is a prime.

It is a super-4 number, since 4×131050674 (a number of 30 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105567) 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 7 ways as a sum of consecutive naturals, for example, 2528 + ... + 5709.

It is an arithmetic number, because the mean of its divisors is an integer number (1721742).

Almost surely, 213105067 is an apocalyptic number.

13105067 is a deficient number, since it is larger than the sum of its proper divisors (668869).

13105067 is an equidigital number, since it uses as much as digits as its factorization.

13105067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8317.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 13105067 is about 3620.0921258996. The cubic root of 13105067 is about 235.7652254418.

Adding to 13105067 its reverse (76050131), we get a palindrome (89155198).

The spelling of 13105067 in words is "thirteen million, one hundred five thousand, sixty-seven".

Divisors: 1 37 43 1591 8237 304769 354191 13105067