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13414421 = 41973373
BaseRepresentation
bin110011001011…
…000000010101
3221020112010102
4303023000111
511413230141
61155303445
7222010046
oct63130025
927215112
1013414421
1176324a9
1245aab85
132a18a37
141ad28cd
15129e99b
hexccb015

13414421 has 8 divisors (see below), whose sum is σ = 13887384. Its totient is φ = 12948480.

The previous prime is 13414403. The next prime is 13414463. The reversal of 13414421 is 12441431.

13414421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2292196 + 11122225 = 1514^2 + 3335^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13414421 - 222 = 9220117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13414393 and 13414402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13414481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2291 + ... + 5663.

It is an arithmetic number, because the mean of its divisors is an integer number (1735923).

Almost surely, 213414421 is an apocalyptic number.

It is an amenable number.

13414421 is a deficient number, since it is larger than the sum of its proper divisors (472963).

13414421 is an equidigital number, since it uses as much as digits as its factorization.

13414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its digits is 384, while the sum is 20.

The square root of 13414421 is about 3662.5702723634. The cubic root of 13414421 is about 237.6059494046.

Adding to 13414421 its reverse (12441431), we get a palindrome (25855852).

The spelling of 13414421 in words is "thirteen million, four hundred fourteen thousand, four hundred twenty-one".

Divisors: 1 41 97 3373 3977 138293 327181 13414421