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13412223 = 341115053
BaseRepresentation
bin110011001010…
…011101111111
3221020102010000
4303022131333
511413142343
61155245343
7222000456
oct63123577
927212100
1013412223
117630890
1245a9853
132a17a36
141ad1b9d
15129ded3
hexcca77f

13412223 has 20 divisors (see below), whose sum is σ = 21858408. Its totient is φ = 8128080.

The previous prime is 13412221. The next prime is 13412237. The reversal of 13412223 is 32221431.

It is not a de Polignac number, because 13412223 - 21 = 13412221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13412196 and 13412205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6636 + ... + 8417.

Almost surely, 213412223 is an apocalyptic number.

13412223 is a deficient number, since it is larger than the sum of its proper divisors (8446185).

13412223 is a wasteful number, since it uses less digits than its factorization.

13412223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15076 (or 15067 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 13412223 is about 3662.2701975687. The cubic root of 13412223 is about 237.5929711725.

Adding to 13412223 its reverse (32221431), we get a palindrome (45633654).

The spelling of 13412223 in words is "thirteen million, four hundred twelve thousand, two hundred twenty-three".

Divisors: 1 3 9 11 27 33 81 99 297 891 15053 45159 135477 165583 406431 496749 1219293 1490247 4470741 13412223