Base | Representation |
---|---|
bin | 110011001010… |
… | …100000100011 |
3 | 221020102100002 |
4 | 303022200203 |
5 | 11413144022 |
6 | 1155250215 |
7 | 222001112 |
oct | 63124043 |
9 | 27212302 |
10 | 13412387 |
11 | 7630a1a |
12 | 45a996b |
13 | 2a17b31 |
14 | 1ad1c79 |
15 | 129e092 |
hex | cca823 |
13412387 has 2 divisors, whose sum is σ = 13412388. Its totient is φ = 13412386.
The previous prime is 13412369. The next prime is 13412407. The reversal of 13412387 is 78321431.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13412387 - 214 = 13396003 is a prime.
It is a super-3 number, since 3×134123873 (a number of 22 digits) contains 333 as substring.
It is not a weakly prime, because it can be changed into another prime (13417387) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706193 + 6706194.
It is an arithmetic number, because the mean of its divisors is an integer number (6706194).
Almost surely, 213412387 is an apocalyptic number.
13412387 is a deficient number, since it is larger than the sum of its proper divisors (1).
13412387 is an equidigital number, since it uses as much as digits as its factorization.
13412387 is an evil number, because the sum of its binary digits is even.
The product of its digits is 4032, while the sum is 29.
The square root of 13412387 is about 3662.2925879837. The cubic root of 13412387 is about 237.5939395700.
It can be divided in two parts, 134 and 12387, that added together give a palindrome (12521).
The spelling of 13412387 in words is "thirteen million, four hundred twelve thousand, three hundred eighty-seven".
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