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13232657 is a prime number
BaseRepresentation
bin110010011110…
…101000010001
3220220021210102
4302132220101
511341421112
61151342145
7220322114
oct62365021
926807712
1013232657
117518989
124521955
132984099
141a8657b
151265bc2
hexc9ea11

13232657 has 2 divisors, whose sum is σ = 13232658. Its totient is φ = 13232656.

The previous prime is 13232651. The next prime is 13232663. The reversal of 13232657 is 75623231.

It is a balanced prime because it is at equal distance from previous prime (13232651) and next prime (13232663).

It can be written as a sum of positive squares in only one way, i.e., 9296401 + 3936256 = 3049^2 + 1984^2 .

It is an emirp because it is prime and its reverse (75623231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13232657 - 24 = 13232641 is a prime.

It is a super-2 number, since 2×132326572 = 350206422559298, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13232651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6616328 + 6616329.

It is an arithmetic number, because the mean of its divisors is an integer number (6616329).

Almost surely, 213232657 is an apocalyptic number.

It is an amenable number.

13232657 is a deficient number, since it is larger than the sum of its proper divisors (1).

13232657 is an equidigital number, since it uses as much as digits as its factorization.

13232657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7560, while the sum is 29.

The square root of 13232657 is about 3637.6719203359. The cubic root of 13232657 is about 236.5278868525.

Adding to 13232657 its reverse (75623231), we get a palindrome (88855888).

The spelling of 13232657 in words is "thirteen million, two hundred thirty-two thousand, six hundred fifty-seven".