Search a number
-
+
13125299 = 111193209
BaseRepresentation
bin110010000100…
…011010110011
3220200211112012
4302010122303
511330002144
61145153135
7216364115
oct62043263
926624465
1013125299
117455260
12448b7ab
132947265
141a593b5
151243e9e
hexc846b3

13125299 has 4 divisors (see below), whose sum is σ = 14318520. Its totient is φ = 11932080.

The previous prime is 13125293. The next prime is 13125311. The reversal of 13125299 is 99252131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13125299 - 212 = 13121203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13125293) 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, 596594 + ... + 596615.

It is an arithmetic number, because the mean of its divisors is an integer number (3579630).

Almost surely, 213125299 is an apocalyptic number.

13125299 is a deficient number, since it is larger than the sum of its proper divisors (1193221).

13125299 is a wasteful number, since it uses less digits than its factorization.

13125299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193220.

The product of its digits is 4860, while the sum is 32.

The square root of 13125299 is about 3622.8854522328. The cubic root of 13125299 is about 235.8864902283.

The spelling of 13125299 in words is "thirteen million, one hundred twenty-five thousand, two hundred ninety-nine".

Divisors: 1 11 1193209 13125299