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13295289 = 374191511
BaseRepresentation
bin110010101101…
…111010111001
3221000110201010
4302231322321
511400422124
61152544133
7221002530
oct62557271
927013633
1013295289
117560a47
124552049
1329a6747
141aa1317
151279529
hexcadeb9

13295289 has 16 divisors (see below), whose sum is σ = 20321280. Its totient is φ = 7574160.

The previous prime is 13295287. The next prime is 13295291. The reversal of 13295289 is 98259231.

It is an interprime number because it is at equal distance from previous prime (13295287) and next prime (13295291).

It is not a de Polignac number, because 13295289 - 21 = 13295287 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13295287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8044 + ... + 9554.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 213295289 is an apocalyptic number.

It is an amenable number.

13295289 is a deficient number, since it is larger than the sum of its proper divisors (7025991).

13295289 is a wasteful number, since it uses less digits than its factorization.

13295289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1940.

The product of its digits is 38880, while the sum is 39.

The square root of 13295289 is about 3646.2705604494. The cubic root of 13295289 is about 236.9004727284.

The spelling of 13295289 in words is "thirteen million, two hundred ninety-five thousand, two hundred eighty-nine".

Divisors: 1 3 7 21 419 1257 1511 2933 4533 8799 10577 31731 633109 1899327 4431763 13295289