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13136973 = 343101837
BaseRepresentation
bin110010000111…
…010001001101
3220201102112120
4302013101031
511330340343
61145323153
7216443133
oct62072115
926642476
1013136973
117463003
1244964b9
13294c675
141a5d753
151247683
hexc8744d

13136973 has 8 divisors (see below), whose sum is σ = 17923488. Its totient is φ = 8554224.

The previous prime is 13136957. The next prime is 13137011. The reversal of 13136973 is 37963131.

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

It is not a de Polignac number, because 13136973 - 24 = 13136957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13136873) 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 7 ways as a sum of consecutive naturals, for example, 50790 + ... + 51047.

It is an arithmetic number, because the mean of its divisors is an integer number (2240436).

Almost surely, 213136973 is an apocalyptic number.

It is an amenable number.

13136973 is a deficient number, since it is larger than the sum of its proper divisors (4786515).

13136973 is a wasteful number, since it uses less digits than its factorization.

13136973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101883.

The product of its digits is 10206, while the sum is 33.

The square root of 13136973 is about 3624.4962408589. The cubic root of 13136973 is about 235.9564041371.

The spelling of 13136973 in words is "thirteen million, one hundred thirty-six thousand, nine hundred seventy-three".

Divisors: 1 3 43 129 101837 305511 4378991 13136973