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13141913 = 35936607
BaseRepresentation
bin110010001000…
…011110011001
3220201200022112
4302020132121
511331020123
61145402105
7216463421
oct62103631
926650275
1013141913
117466794
124499335
1329519a5
141a61481
151248d78
hexc88799

13141913 has 4 divisors (see below), whose sum is σ = 13178880. Its totient is φ = 13104948.

The previous prime is 13141907. The next prime is 13141937. The reversal of 13141913 is 31914131.

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, and also an emirpimes, since its reverse is a distinct semiprime: 31914131 = 54158991.

It is a cyclic number.

It is not a de Polignac number, because 13141913 - 216 = 13076377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13141943) 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, 17945 + ... + 18662.

It is an arithmetic number, because the mean of its divisors is an integer number (3294720).

Almost surely, 213141913 is an apocalyptic number.

It is an amenable number.

13141913 is a deficient number, since it is larger than the sum of its proper divisors (36967).

13141913 is an equidigital number, since it uses as much as digits as its factorization.

13141913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36966.

The product of its digits is 324, while the sum is 23.

The square root of 13141913 is about 3625.1776508193. The cubic root of 13141913 is about 235.9859766157.

The spelling of 13141913 in words is "thirteen million, one hundred forty-one thousand, nine hundred thirteen".

Divisors: 1 359 36607 13141913