Search a number
-
+
13125301 = 71875043
BaseRepresentation
bin110010000100…
…011010110101
3220200211112021
4302010122311
511330002201
61145153141
7216364120
oct62043265
926624467
1013125301
117455262
12448b7b1
132947267
141a593b7
151243ea1
hexc846b5

13125301 has 4 divisors (see below), whose sum is σ = 15000352. Its totient is φ = 11250252.

The previous prime is 13125293. The next prime is 13125311. The reversal of 13125301 is 10352131.

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 13125301 - 23 = 13125293 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 (13125311) 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, 937515 + ... + 937528.

It is an arithmetic number, because the mean of its divisors is an integer number (3750088).

Almost surely, 213125301 is an apocalyptic number.

It is an amenable number.

13125301 is a deficient number, since it is larger than the sum of its proper divisors (1875051).

13125301 is an equidigital number, since it uses as much as digits as its factorization.

13125301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1875050.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 13125301 is about 3622.8857282559. The cubic root of 13125301 is about 235.8865022095.

Adding to 13125301 its reverse (10352131), we get a palindrome (23477432).

The spelling of 13125301 in words is "thirteen million, one hundred twenty-five thousand, three hundred one".

Divisors: 1 7 1875043 13125301