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13295893 = 131022761
BaseRepresentation
bin110010101110…
…000100010101
3221000111112111
4302232010111
511400432033
61152551021
7221004352
oct62560425
927014474
1013295893
117561446
124552471
1329a6ac0
141aa1629
1512797cd
hexcae115

13295893 has 4 divisors (see below), whose sum is σ = 14318668. Its totient is φ = 12273120.

The previous prime is 13295879. The next prime is 13295897. The reversal of 13295893 is 39859231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39859231 = 241165391.

It can be written as a sum of positive squares in 2 ways, for example, as 743044 + 12552849 = 862^2 + 3543^2 .

It is a cyclic number.

It is not a de Polignac number, because 13295893 - 217 = 13164821 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13295897) 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, 511368 + ... + 511393.

It is an arithmetic number, because the mean of its divisors is an integer number (3579667).

Almost surely, 213295893 is an apocalyptic number.

13295893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13295893 is a deficient number, since it is larger than the sum of its proper divisors (1022775).

13295893 is a wasteful number, since it uses less digits than its factorization.

13295893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1022774.

The product of its digits is 58320, while the sum is 40.

The square root of 13295893 is about 3646.3533838617. The cubic root of 13295893 is about 236.9040601074.

The spelling of 13295893 in words is "thirteen million, two hundred ninety-five thousand, eight hundred ninety-three".

Divisors: 1 13 1022761 13295893