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13276631 is a prime number
BaseRepresentation
bin110010101001…
…010111010111
3220222112010002
4302221113113
511344323011
61152321515
7220564244
oct62512727
926875102
1013276631
117548a25
12454329b
13299b0c4
141a985cb
151273c3b
hexca95d7

13276631 has 2 divisors, whose sum is σ = 13276632. Its totient is φ = 13276630.

The previous prime is 13276619. The next prime is 13276633. The reversal of 13276631 is 13667231.

It is a strong prime.

It is an emirp because it is prime and its reverse (13667231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13276631 - 210 = 13275607 is a prime.

It is a super-2 number, since 2×132766312 = 352537861420322, which contains 22 as substring.

Together with 13276633, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p866063 and since 13276631 and 866063 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13276594 and 13276603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13276633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6638315 + 6638316.

It is an arithmetic number, because the mean of its divisors is an integer number (6638316).

Almost surely, 213276631 is an apocalyptic number.

13276631 is a deficient number, since it is larger than the sum of its proper divisors (1).

13276631 is an equidigital number, since it uses as much as digits as its factorization.

13276631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 29.

The square root of 13276631 is about 3643.7111575974. The cubic root of 13276631 is about 236.7896024223.

The spelling of 13276631 in words is "thirteen million, two hundred seventy-six thousand, six hundred thirty-one".