Search a number
-
+
13311469 is a prime number
BaseRepresentation
bin110010110001…
…110111101101
3221001021220101
4302301313231
511401431334
61153151101
7221100643
oct62616755
927037811
1013311469
117572116
12455b491
1329b0c12
141aa7193
15127e214
hexcb1ded

13311469 has 2 divisors, whose sum is σ = 13311470. Its totient is φ = 13311468.

The previous prime is 13311451. The next prime is 13311479. The reversal of 13311469 is 96411331.

13311469 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 1408969 = 3450^2 + 1187^2 .

It is a cyclic number.

It is not a de Polignac number, because 13311469 - 25 = 13311437 is a prime.

It is a super-2 number, since 2×133114692 = 354390413875922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655734 + 6655735.

It is an arithmetic number, because the mean of its divisors is an integer number (6655735).

Almost surely, 213311469 is an apocalyptic number.

It is an amenable number.

13311469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311469 is an equidigital number, since it uses as much as digits as its factorization.

13311469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 28.

The square root of 13311469 is about 3648.4885911840. The cubic root of 13311469 is about 236.9965342179.

The spelling of 13311469 in words is "thirteen million, three hundred eleven thousand, four hundred sixty-nine".