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13125353 = 13994427
BaseRepresentation
bin110010000100…
…011011101001
3220200211121012
4302010123221
511330002403
61145153305
7216364223
oct62043351
926624535
1013125353
1174552aa
12448b835
1329472a7
141a59413
151243ed8
hexc846e9

13125353 has 4 divisors (see below), whose sum is σ = 13219920. Its totient is φ = 13030788.

The previous prime is 13125349. The next prime is 13125383. The reversal of 13125353 is 35352131.

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 13125353 - 22 = 13125349 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13125383) 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, 47075 + ... + 47352.

It is an arithmetic number, because the mean of its divisors is an integer number (3304980).

Almost surely, 213125353 is an apocalyptic number.

It is an amenable number.

13125353 is a deficient number, since it is larger than the sum of its proper divisors (94567).

13125353 is an equidigital number, since it uses as much as digits as its factorization.

13125353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94566.

The product of its digits is 1350, while the sum is 23.

The square root of 13125353 is about 3622.8929048483. The cubic root of 13125353 is about 235.8868137219.

Adding to 13125353 its reverse (35352131), we get a palindrome (48477484).

The spelling of 13125353 in words is "thirteen million, one hundred twenty-five thousand, three hundred fifty-three".

Divisors: 1 139 94427 13125353