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14069 = 111279
BaseRepresentation
bin11011011110101
3201022002
43123311
5422234
6145045
756006
oct33365
921262
1014069
11a630
128185
136533
15427e
hex36f5

14069 has 4 divisors (see below), whose sum is σ = 15360. Its totient is φ = 12780.

The previous prime is 14057. The next prime is 14071. The reversal of 14069 is 96041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 96041 = 118731.

It is a cyclic number.

It is not a de Polignac number, because 14069 - 212 = 9973 is a prime.

It is a super-2 number, since 2×140692 = 395873522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 11 and base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 14069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629 + ... + 650.

It is an arithmetic number, because the mean of its divisors is an integer number (3840).

214069 is an apocalyptic number.

It is an amenable number.

14069 is a deficient number, since it is larger than the sum of its proper divisors (1291).

14069 is a wasteful number, since it uses less digits than its factorization.

14069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 14069 is about 118.6128154965. The cubic root of 14069 is about 24.1409529644.

The spelling of 14069 in words is "fourteen thousand, sixty-nine".

Divisors: 1 11 1279 14069