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13097020 = 2254713933
BaseRepresentation
bin110001111101…
…100000111100
3220122101201211
4301331200330
511323101040
61144414204
7216215506
oct61754074
926571654
1013097020
117435a92
124477364
132937421
141a4cd76
15123a8ea
hexc7d83c

13097020 has 24 divisors (see below), whose sum is σ = 28090944. Its totient is φ = 5126976.

The previous prime is 13097011. The next prime is 13097033. The reversal of 13097020 is 2079031.

It is a junction number, because it is equal to n+sod(n) for n = 13096982 and 13097000.

It is a congruent number.

It is an unprimeable number.

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, 6027 + ... + 7906.

It is an arithmetic number, because the mean of its divisors is an integer number (1170456).

Almost surely, 213097020 is an apocalyptic number.

13097020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13097020 is an abundant number, since it is smaller than the sum of its proper divisors (14993924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13097020 is a wasteful number, since it uses less digits than its factorization.

13097020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13989 (or 13987 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13097020 is about 3618.9805194281. The cubic root of 13097020 is about 235.7169593470.

The spelling of 13097020 in words is "thirteen million, ninety-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 47 94 188 235 470 940 13933 27866 55732 69665 139330 278660 654851 1309702 2619404 3274255 6548510 13097020