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13249319 is a prime number
BaseRepresentation
bin110010100010…
…101100100111
3220221010122112
4302202230213
511342434234
61151551235
7220421516
oct62425447
926833575
1013249319
11752a456
12452b51b
13298b845
141a8c67d
15126aace
hexca2b27

13249319 has 2 divisors, whose sum is σ = 13249320. Its totient is φ = 13249318.

The previous prime is 13249303. The next prime is 13249321. The reversal of 13249319 is 91394231.

13249319 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 is a cyclic number.

It is not a de Polignac number, because 13249319 - 24 = 13249303 is a prime.

It is a super-2 number, since 2×132493192 = 351088907927522, which contains 22 as substring.

Together with 13249321, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13249339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6624659 + 6624660.

It is an arithmetic number, because the mean of its divisors is an integer number (6624660).

Almost surely, 213249319 is an apocalyptic number.

13249319 is a deficient number, since it is larger than the sum of its proper divisors (1).

13249319 is an equidigital number, since it uses as much as digits as its factorization.

13249319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 32.

The square root of 13249319 is about 3639.9614008942. The cubic root of 13249319 is about 236.6271205056.

The spelling of 13249319 in words is "thirteen million, two hundred forty-nine thousand, three hundred nineteen".