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13408027 = 31617701
BaseRepresentation
bin110011001001…
…011100011011
3221020012100121
4303021130123
511413024102
61155214111
7221652313
oct63113433
927205317
1013408027
117628716
1245a7337
132a15b59
141ad0443
15129cb37
hexcc971b

13408027 has 8 divisors (see below), whose sum is σ = 13882752. Its totient is φ = 12936000.

The previous prime is 13408013. The next prime is 13408033. The reversal of 13408027 is 72080431.

13408027 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13408027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13407992 and 13408010.

It is not an unprimeable number, because it can be changed into a prime (13408007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18777 + ... + 19477.

It is an arithmetic number, because the mean of its divisors is an integer number (1735344).

Almost surely, 213408027 is an apocalyptic number.

13408027 is a deficient number, since it is larger than the sum of its proper divisors (474725).

13408027 is an equidigital number, since it uses as much as digits as its factorization.

13408027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 13408027 is about 3661.6972840474. The cubic root of 13408027 is about 237.5681916837.

Adding to 13408027 its reverse (72080431), we get a palindrome (85488458).

The spelling of 13408027 in words is "thirteen million, four hundred eight thousand, twenty-seven".

Divisors: 1 31 617 701 19127 21731 432517 13408027