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13027208 = 231628401
BaseRepresentation
bin110001101100…
…011110001000
3220111211222012
4301230132020
511313332313
61143115052
7215505125
oct61543610
926454865
1013027208
117398597
124442a88
13291170c
141a3174c
151224da8
hexc6c788

13027208 has 8 divisors (see below), whose sum is σ = 24426030. Its totient is φ = 6513600.

The previous prime is 13027207. The next prime is 13027229. The reversal of 13027208 is 80272031.

It can be written as a sum of positive squares in only one way, i.e., 6666724 + 6360484 = 2582^2 + 2522^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13027207) 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 as a sum of consecutive naturals, namely, 814193 + ... + 814208.

Almost surely, 213027208 is an apocalyptic number.

It is an amenable number.

13027208 is a deficient number, since it is larger than the sum of its proper divisors (11398822).

13027208 is a wasteful number, since it uses less digits than its factorization.

13027208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628407 (or 1628403 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 13027208 is about 3609.3223740752. The cubic root of 13027208 is about 235.2973932191.

Adding to 13027208 its reverse (80272031), we get a palindrome (93299239).

The spelling of 13027208 in words is "thirteen million, twenty-seven thousand, two hundred eight".

Divisors: 1 2 4 8 1628401 3256802 6513604 13027208