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13292417 = 89233641
BaseRepresentation
bin110010101101…
…001110000001
3221000022202202
4302231032001
511400324132
61152522545
7220661255
oct62551601
927008682
1013292417
117559876
124550455
1329a5348
141aa0265
151278762
hexcad381

13292417 has 8 divisors (see below), whose sum is σ = 13520520. Its totient is φ = 13066240.

The previous prime is 13292369. The next prime is 13292429. The reversal of 13292417 is 71429231.

It can be written as a sum of positive squares in 4 ways, for example, as 1175056 + 12117361 = 1084^2 + 3481^2 .

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 13292417 - 214 = 13276033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13292417.

It is not an unprimeable number, because it can be changed into a prime (13292437) 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 7 ways as a sum of consecutive naturals, for example, 20417 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (1690065).

Almost surely, 213292417 is an apocalyptic number.

It is an amenable number.

13292417 is a deficient number, since it is larger than the sum of its proper divisors (228103).

13292417 is an equidigital number, since it uses as much as digits as its factorization.

13292417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 963.

The product of its digits is 3024, while the sum is 29.

The square root of 13292417 is about 3645.8767121229. The cubic root of 13292417 is about 236.8834133737.

The spelling of 13292417 in words is "thirteen million, two hundred ninety-two thousand, four hundred seventeen".

Divisors: 1 89 233 641 20737 57049 149353 13292417