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13312453 = 711832083
BaseRepresentation
bin110010110010…
…000111000101
3221001100020211
4302302013011
511401444303
61153155421
7221103550
oct62620705
927040224
1013312453
117572930
12455bb71
1329b14bb
141aa7697
15127e66d
hexcb21c5

13312453 has 16 divisors (see below), whose sum is σ = 16805376. Its totient is φ = 10243440.

The previous prime is 13312451. The next prime is 13312463. The reversal of 13312453 is 35421331.

It is a cyclic number.

It is not a de Polignac number, because 13312453 - 21 = 13312451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5350 + ... + 7432.

It is an arithmetic number, because the mean of its divisors is an integer number (1050336).

Almost surely, 213312453 is an apocalyptic number.

It is an amenable number.

13312453 is a deficient number, since it is larger than the sum of its proper divisors (3492923).

13312453 is a wasteful number, since it uses less digits than its factorization.

13312453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184.

The product of its digits is 1080, while the sum is 22.

The square root of 13312453 is about 3648.6234390520. The cubic root of 13312453 is about 237.0023737649.

Adding to 13312453 its reverse (35421331), we get a palindrome (48733784).

The spelling of 13312453 in words is "thirteen million, three hundred twelve thousand, four hundred fifty-three".

Divisors: 1 7 11 77 83 581 913 2083 6391 14581 22913 160391 172889 1210223 1901779 13312453