Search a number
-
+
13207093 = 292691693
BaseRepresentation
bin110010011000…
…011000110101
3220211222201121
4302120120311
511340111333
61151023541
7220154434
oct62303065
926758647
1013207093
117500759
12450abb1
132975563
141a7b11b
15125d32d
hexc98635

13207093 has 8 divisors (see below), whose sum is σ = 13721400. Its totient is φ = 12696768.

The previous prime is 13207069. The next prime is 13207097. The reversal of 13207093 is 39070231.

It can be written as a sum of positive squares in 4 ways, for example, as 88209 + 13118884 = 297^2 + 3622^2 .

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 13207093 - 29 = 13206581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13207097) 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, 6955 + ... + 8647.

It is an arithmetic number, because the mean of its divisors is an integer number (1715175).

Almost surely, 213207093 is an apocalyptic number.

It is an amenable number.

13207093 is a deficient number, since it is larger than the sum of its proper divisors (514307).

13207093 is a wasteful number, since it uses less digits than its factorization.

13207093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 13207093 is about 3634.1564358184. The cubic root of 13207093 is about 236.3754736003.

The spelling of 13207093 in words is "thirteen million, two hundred seven thousand, ninety-three".

Divisors: 1 29 269 1693 7801 49097 455417 13207093