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13311269 is a prime number
BaseRepresentation
bin110010110001…
…110100100101
3221001021121222
4302301310211
511401430034
61153150125
7221100236
oct62616445
927037558
1013311269
117571a54
12455b345
1329b0aba
141aa708d
15127e12e
hexcb1d25

13311269 has 2 divisors, whose sum is σ = 13311270. Its totient is φ = 13311268.

The previous prime is 13311239. The next prime is 13311271. The reversal of 13311269 is 96211331.

13311269 is digitally balanced in base 2, 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., 7086244 + 6225025 = 2662^2 + 2495^2 .

It is an emirp because it is prime and its reverse (96211331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13311269 - 220 = 12262693 is a prime.

It is a super-2 number, since 2×133112692 = 354379764780722, which contains 22 as substring.

Together with 13311271, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13311239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655634 + 6655635.

It is an arithmetic number, because the mean of its divisors is an integer number (6655635).

Almost surely, 213311269 is an apocalyptic number.

It is an amenable number.

13311269 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311269 is an equidigital number, since it uses as much as digits as its factorization.

13311269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 972, while the sum is 26.

The square root of 13311269 is about 3648.4611824713. The cubic root of 13311269 is about 236.9953472830.

The spelling of 13311269 in words is "thirteen million, three hundred eleven thousand, two hundred sixty-nine".