Search a number
-
+
14121211 = 131086247
BaseRepresentation
bin110101110111…
…100011111011
3222120102122211
4311313203323
512103334321
61222355551
7231012466
oct65674373
928512584
1014121211
117a75525
12488bbb7
132c05660
141c382dd
15138e0e1
hexd778fb

14121211 has 4 divisors (see below), whose sum is σ = 15207472. Its totient is φ = 13034952.

The previous prime is 14121167. The next prime is 14121221. The reversal of 14121211 is 11212141.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14121211 - 29 = 14120699 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1086247 = 14121211 / (1 + 4 + 1 + 2 + 1 + 2 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14121191 and 14121200.

It is not an unprimeable number, because it can be changed into a prime (14121221) 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 3 ways as a sum of consecutive naturals, for example, 543111 + ... + 543136.

It is an arithmetic number, because the mean of its divisors is an integer number (3801868).

Almost surely, 214121211 is an apocalyptic number.

14121211 is a deficient number, since it is larger than the sum of its proper divisors (1086261).

14121211 is a wasteful number, since it uses less digits than its factorization.

14121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086260.

The product of its digits is 16, while the sum is 13.

The square root of 14121211 is about 3757.8199797223. The cubic root of 14121211 is about 241.7077899631.

Adding to 14121211 its reverse (11212141), we get a palindrome (25333352).

The spelling of 14121211 in words is "fourteen million, one hundred twenty-one thousand, two hundred eleven".

Divisors: 1 13 1086247 14121211