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13422117 = 34474039
BaseRepresentation
bin110011001100…
…111000100101
3221020220200110
4303030320211
511414001432
61155403233
7222041352
oct63147045
927226613
1013422117
117638265
1245b3519
132a1c3a7
141ad5629
1512a1dcc
hexccce25

13422117 has 4 divisors (see below), whose sum is σ = 17896160. Its totient is φ = 8948076.

The previous prime is 13422109. The next prime is 13422121. The reversal of 13422117 is 71122431.

13422117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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: 71122431 = 323707477.

It is not a de Polignac number, because 13422117 - 23 = 13422109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13422093 and 13422102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13422107) 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, 2237017 + ... + 2237022.

It is an arithmetic number, because the mean of its divisors is an integer number (4474040).

Almost surely, 213422117 is an apocalyptic number.

It is an amenable number.

13422117 is a deficient number, since it is larger than the sum of its proper divisors (4474043).

13422117 is an equidigital number, since it uses as much as digits as its factorization.

13422117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4474042.

The product of its digits is 336, while the sum is 21.

The square root of 13422117 is about 3663.6207500231. The cubic root of 13422117 is about 237.6513797614.

Adding to 13422117 its reverse (71122431), we get a palindrome (84544548).

The spelling of 13422117 in words is "thirteen million, four hundred twenty-two thousand, one hundred seventeen".

Divisors: 1 3 4474039 13422117