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13295969 = 22958061
BaseRepresentation
bin110010101110…
…000101100001
3221000111122022
4302232011201
511400432334
61152551225
7221004521
oct62560541
927014568
1013295969
117561505
124552515
1329a6b4b
141aa1681
15127982e
hexcae161

13295969 has 4 divisors (see below), whose sum is σ = 13354260. Its totient is φ = 13237680.

The previous prime is 13295911. The next prime is 13295981. The reversal of 13295969 is 96959231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96959231 = 211345887.

It can be written as a sum of positive squares in 2 ways, for example, as 8065600 + 5230369 = 2840^2 + 2287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13295969 is a prime.

It is a super-2 number, since 2×132959692 = 353565583297922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13295669) 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 3 ways as a sum of consecutive naturals, for example, 28802 + ... + 29259.

It is an arithmetic number, because the mean of its divisors is an integer number (3338565).

Almost surely, 213295969 is an apocalyptic number.

It is an amenable number.

13295969 is a deficient number, since it is larger than the sum of its proper divisors (58291).

13295969 is an equidigital number, since it uses as much as digits as its factorization.

13295969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58290.

The product of its digits is 131220, while the sum is 44.

The square root of 13295969 is about 3646.3638052175. The cubic root of 13295969 is about 236.9045114917.

The spelling of 13295969 in words is "thirteen million, two hundred ninety-five thousand, nine hundred sixty-nine".

Divisors: 1 229 58061 13295969