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13274669 is a prime number
BaseRepresentation
bin110010101000…
…111000101101
3220222102102102
4302220320231
511344242134
61152304445
7220555442
oct62507055
926872372
1013274669
117547501
124542125
13299a245
141a979c9
15127337e
hexca8e2d

13274669 has 2 divisors, whose sum is σ = 13274670. Its totient is φ = 13274668.

The previous prime is 13274647. The next prime is 13274689. The reversal of 13274669 is 96647231.

13274669 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., 13053769 + 220900 = 3613^2 + 470^2 .

It is an emirp because it is prime and its reverse (96647231) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13274669 is a prime.

It is a super-2 number, since 2×132746692 = 352433674119122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13274609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6637334 + 6637335.

It is an arithmetic number, because the mean of its divisors is an integer number (6637335).

Almost surely, 213274669 is an apocalyptic number.

It is an amenable number.

13274669 is a deficient number, since it is larger than the sum of its proper divisors (1).

13274669 is an equidigital number, since it uses as much as digits as its factorization.

13274669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 38.

The square root of 13274669 is about 3643.4419166497. The cubic root of 13274669 is about 236.7779377139. Note that the first 3 decimals are identical.

The spelling of 13274669 in words is "thirteen million, two hundred seventy-four thousand, six hundred sixty-nine".