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13064309 = 61792711
BaseRepresentation
bin110001110101…
…100001110101
3220120201212022
4301311201311
511321024214
61144002525
7216021236
oct61654165
926521768
1013064309
117413455
124460445
13292557b
141a4108d
151230d8e
hexc75875

13064309 has 8 divisors (see below), whose sum is σ = 13451520. Its totient is φ = 12682800.

The previous prime is 13064291. The next prime is 13064321. The reversal of 13064309 is 90346031.

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

It is a cyclic number.

It is not a de Polignac number, because 13064309 - 28 = 13064053 is a prime.

It is a super-3 number, since 3×130643093 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13064329) 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, 3464 + ... + 6174.

It is an arithmetic number, because the mean of its divisors is an integer number (1681440).

Almost surely, 213064309 is an apocalyptic number.

It is an amenable number.

13064309 is a deficient number, since it is larger than the sum of its proper divisors (387211).

13064309 is an equidigital number, since it uses as much as digits as its factorization.

13064309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 13064309 is about 3614.4583273293. The cubic root of 13064309 is about 235.5205542198.

The spelling of 13064309 in words is "thirteen million, sixty-four thousand, three hundred nine".

Divisors: 1 61 79 2711 4819 165371 214169 13064309