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13097851 = 131007527
BaseRepresentation
bin110001111101…
…101101111011
3220122102212121
4301331231323
511323112401
61144422111
7216221104
oct61755573
926572777
1013097851
117436678
124477937
132937910
141a4d3ab
15123aca1
hexc7db7b

13097851 has 4 divisors (see below), whose sum is σ = 14105392. Its totient is φ = 12090312.

The previous prime is 13097809. The next prime is 13097857. The reversal of 13097851 is 15879031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-13097851 is a prime.

It is a Duffinian number.

It is a zygodrome in base 6.

It is not an unprimeable number, because it can be changed into a prime (13097857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 503751 + ... + 503776.

It is an arithmetic number, because the mean of its divisors is an integer number (3526348).

Almost surely, 213097851 is an apocalyptic number.

13097851 is a deficient number, since it is larger than the sum of its proper divisors (1007541).

13097851 is a wasteful number, since it uses less digits than its factorization.

13097851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007540.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 13097851 is about 3619.0953289462. The cubic root of 13097851 is about 235.7219446197.

The spelling of 13097851 in words is "thirteen million, ninety-seven thousand, eight hundred fifty-one".

Divisors: 1 13 1007527 13097851