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13228759 is a prime number
BaseRepresentation
bin110010011101…
…101011010111
3220220002110001
4302131223113
511341310014
61151312131
7220304545
oct62355327
926802401
1013228759
117515a65
12451b647
13298238b
141a84d95
151264974
hexc9dad7

13228759 has 2 divisors, whose sum is σ = 13228760. Its totient is φ = 13228758.

The previous prime is 13228757. The next prime is 13228777. The reversal of 13228759 is 95782231.

It is a weak prime.

It is an emirp because it is prime and its reverse (95782231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13228759 - 21 = 13228757 is a prime.

Together with 13228757, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13228751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6614379 + 6614380.

It is an arithmetic number, because the mean of its divisors is an integer number (6614380).

Almost surely, 213228759 is an apocalyptic number.

13228759 is a deficient number, since it is larger than the sum of its proper divisors (1).

13228759 is an equidigital number, since it uses as much as digits as its factorization.

13228759 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 13228759 is about 3637.1360986358. The cubic root of 13228759 is about 236.5046595634.

The spelling of 13228759 in words is "thirteen million, two hundred twenty-eight thousand, seven hundred fifty-nine".