Base | Representation |
---|---|
bin | 110010100101… |
… | …101000110111 |
3 | 220221202011202 |
4 | 302211220313 |
5 | 11343330432 |
6 | 1152123115 |
7 | 220501610 |
oct | 62455067 |
9 | 26852152 |
10 | 13261367 |
11 | 7538509 |
12 | 453649b |
13 | 2994182 |
14 | 1a92c07 |
15 | 126e462 |
hex | ca5a37 |
13261367 has 4 divisors (see below), whose sum is σ = 15155856. Its totient is φ = 11366880.
The previous prime is 13261357. The next prime is 13261403. The reversal of 13261367 is 76316231.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76316231 = 23 ⋅3318097.
It is not a de Polignac number, because 13261367 - 212 = 13257271 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13261307) 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 3 ways as a sum of consecutive naturals, for example, 947234 + ... + 947247.
It is an arithmetic number, because the mean of its divisors is an integer number (3788964).
Almost surely, 213261367 is an apocalyptic number.
13261367 is a deficient number, since it is larger than the sum of its proper divisors (1894489).
13261367 is an equidigital number, since it uses as much as digits as its factorization.
13261367 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1894488.
The product of its digits is 4536, while the sum is 29.
The square root of 13261367 is about 3641.6159874429. The cubic root of 13261367 is about 236.6988228035.
Adding to 13261367 its reverse (76316231), we get a palindrome (89577598).
The spelling of 13261367 in words is "thirteen million, two hundred sixty-one thousand, three hundred sixty-seven".
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