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13441217 = 26775021
BaseRepresentation
bin110011010001…
…100011000001
3221021212212212
4303101203001
511420104332
61200031505
7222151136
oct63214301
927255785
1013441217
117650649
124602595
132a27caa
141adc58d
1512a78b2
hexcd18c1

13441217 has 4 divisors (see below), whose sum is σ = 13448916. Its totient is φ = 13433520.

The previous prime is 13441213. The next prime is 13441247. The reversal of 13441217 is 71214431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 7890481 = 2356^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 13441217 - 22 = 13441213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13441192 and 13441201.

It is not an unprimeable number, because it can be changed into a prime (13441213) 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, 167 + ... + 5187.

It is an arithmetic number, because the mean of its divisors is an integer number (3362229).

Almost surely, 213441217 is an apocalyptic number.

It is an amenable number.

13441217 is a deficient number, since it is larger than the sum of its proper divisors (7699).

13441217 is an equidigital number, since it uses as much as digits as its factorization.

13441217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7698.

The product of its digits is 672, while the sum is 23.

The square root of 13441217 is about 3666.2265341902. The cubic root of 13441217 is about 237.7640542362.

Adding to 13441217 its reverse (71214431), we get a palindrome (84655648).

The spelling of 13441217 in words is "thirteen million, four hundred forty-one thousand, two hundred seventeen".

Divisors: 1 2677 5021 13441217