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13023211 = 109163733
BaseRepresentation
bin110001101011…
…011111101011
3220111122111011
4301223133223
511313220321
61143044351
7215460355
oct61533753
926448434
1013023211
117395593
1244406b7
13290c956
141a300d5
151223ae1
hexc6b7eb

13023211 has 8 divisors (see below), whose sum is σ = 13241360. Its totient is φ = 12807072.

The previous prime is 13023203. The next prime is 13023251. The reversal of 13023211 is 11232031.

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 13023211 - 23 = 13023203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13023191 and 13023200.

It is not an unprimeable number, because it can be changed into a prime (13023251) 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, 17401 + ... + 18133.

It is an arithmetic number, because the mean of its divisors is an integer number (1655170).

Almost surely, 213023211 is an apocalyptic number.

13023211 is a deficient number, since it is larger than the sum of its proper divisors (218149).

13023211 is a wasteful number, since it uses less digits than its factorization.

13023211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1005.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 13023211 is about 3608.7686265539. The cubic root of 13023211 is about 235.2733261567.

Adding to 13023211 its reverse (11232031), we get a palindrome (24255242).

The spelling of 13023211 in words is "thirteen million, twenty-three thousand, two hundred eleven".

Divisors: 1 109 163 733 17767 79897 119479 13023211