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13296557 is a prime number
BaseRepresentation
bin110010101110…
…001110101101
3221000112110002
4302232032231
511400442212
61152554045
7221006321
oct62561655
927015402
1013296557
11756199a
124552925
1329a71b1
141aa1981
151279ac2
hexcae3ad

13296557 has 2 divisors, whose sum is σ = 13296558. Its totient is φ = 13296556.

The previous prime is 13296541. The next prime is 13296559. The reversal of 13296557 is 75569231.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13205956 + 90601 = 3634^2 + 301^2 .

It is a cyclic number.

It is not a de Polignac number, because 13296557 - 24 = 13296541 is a prime.

Together with 13296559, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13296557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13296559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6648278 + 6648279.

It is an arithmetic number, because the mean of its divisors is an integer number (6648279).

Almost surely, 213296557 is an apocalyptic number.

It is an amenable number.

13296557 is a deficient number, since it is larger than the sum of its proper divisors (1).

13296557 is an equidigital number, since it uses as much as digits as its factorization.

13296557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 13296557 is about 3646.4444325946. Note that the first 4 decimals coincide. The cubic root of 13296557 is about 236.9080037231.

The spelling of 13296557 in words is "thirteen million, two hundred ninety-six thousand, five hundred fifty-seven".