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13295869 = 31428899
BaseRepresentation
bin110010101110…
…000011111101
3221000111111121
4302232003331
511400431434
61152550541
7221004316
oct62560375
927014447
1013295869
117561424
124552451
1329a6aa2
141aa160d
1512797b4
hexcae0fd

13295869 has 4 divisors (see below), whose sum is σ = 13724800. Its totient is φ = 12866940.

The previous prime is 13295857. The next prime is 13295873. The reversal of 13295869 is 96859231.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13295869 - 219 = 12771581 is a prime.

It is a super-2 number, since 2×132958692 = 353560264930322, which contains 22 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 (13295879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214419 + ... + 214480.

It is an arithmetic number, because the mean of its divisors is an integer number (3431200).

Almost surely, 213295869 is an apocalyptic number.

It is an amenable number.

13295869 is a deficient number, since it is larger than the sum of its proper divisors (428931).

13295869 is an equidigital number, since it uses as much as digits as its factorization.

13295869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428930.

The product of its digits is 116640, while the sum is 43.

The square root of 13295869 is about 3646.3500929011. The cubic root of 13295869 is about 236.9039175646.

The spelling of 13295869 in words is "thirteen million, two hundred ninety-five thousand, eight hundred sixty-nine".

Divisors: 1 31 428899 13295869